Metals and materials in the Book of Mormon

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Metals and materials in the Book of Mormon


Question: Is the Book of Mormon's mention of "cement" an anachronism?

Book of Mormon Central, KnoWhy #174: When Did Cement Become Common in Ancient America? (Video)

Cement is not anachronistic. The Book of Mormon places it in exactly the right spot and time period for Mesoamerican use of this building material

It is claimed that the Nephites in the land northward building out of cement in Helaman 3:7-11 (circa 47 B.C.) is not valid. As John L. Smith put the claim, "There is zero archaeological evidence that any kind of cement existed in the Americas prior to modern times" (Smith, 8). However, composing attacks based on an 'absence of evidence' backfires. In fact, there is excellent evidence for the use of cement in Mesoamerica:

Once thought to be anachronistic, references to "cement" in the Book of Mormon (Helaman 3:7,9,11) can be seen today as further evidence of the authenticity of the text. This is because today the presence of expert cement technology in pre-Hispanic America is a well-established archaeological fact. "American technology in the manufacture of cement, its mixing and placement two thousand years ago, paralleled that of the Greeks and the Romans during the same period" notes structural engineer, David Hyman, in a recent study devoted to the use of cement in Pre-Columbian Mexico. The earliest known sample of such cement dates to the first century A.D. and is a "fully developed product." Known samples of Mesoamerican cement work show signs of remarkable skill and sophistication. "Technology in the manufacturing of calcareous cements in Middle America [were] equal to any in the world at the advent of the Christian Era." For example, concrete floor slabs at Teotihuacan that date to about this time exceed many present-day building requirements. While the earliest known samples are from the first century A.D., scholars believe that "their degree of perfection could not have been instantaneously created, but rather would have required a considerable period of development" before then. Hyman asks, "Were these materials invented by indigenous unnamed people far preceding the occupation of Teotihuacan, or were they introduced by an exotic culture." In its references to "cement," the Book of Mormon anticipates what has now been well established.[1]


Question: How were metals used in the Book of Mormon?

The Book of Mormon tends to use metals as sources of wealth and for ornamentation

It is important first of all to realize that the Book of Mormon tends to use metals as sources of wealth and for ornamentation, and relatively rarely for 'prestige' weapons (e.g. sword of Laban) or items (e.g. metal plates for sacred records). It does not appear that Nephite society had as extensive a use of metal as the Middle East of the same time period. Attempting to insist otherwise misrepresents the Book of Mormon.

What the Book of Mormon does and does not claim

The Old World that Lehi and his family came from was certainly familiar with metal working. Nephi appears to have a direct knowledge of it. However, when they went to the New World, things changed and what metal working that Nephi knew did not start a revolution in the way buildings or anything else was built. Why?

Jared Diamond discusses some of the issues of cultural diffusion (and loss of information) in his book Guns, Germs, and Steel. There is simply no historical evidence that an innovation that exists in one place will necessarily carry over to a new location. In fact, there are places where important innovations used to exist and were lost. That tells us that we must not make unwarranted assumptions about the automatic transfer of Old World capabilities to the New.

Quoth Diamond:

The importance of diffusion, and of geographic location in making it possible, is strikingly illustrated by some otherwise incomprehensible cases of societies that abandoned powerful technologies. We tend to assume that useful technologies, once acquired, inevitably persist until superseded by better ones. In reality, technologies must be not only acquired but also maintained, and that too depends on many unpredictable factors. Any society goes through social movements or fads, in which economically useless things become valued or useful things devalued temporarily. Nowadays, when almost all societies on Earth are connected to each other, we cannot imagine a fad's going so far that an important technology would actually be discarded. A society that temporarily turned against a powerful technology would continue to see it being used by neighboring societies and would have the opportunity to reacquire it by diffusion (or would be conquered by neighbors if it failed to do so). But such fads can persist in isolated societies.[2]

The Old World: Steel weapons are known from this period in the ancient near east

The Book of Mormon reports that Laban had a steel sword. Steel weapons are known from this period in the ancient near east. (See Anonymous, "Out of the Dust: Ancient Steel Sword Unearthed," Journal of Book of Mormon Studies 14/2 (2005). [64–64] link)

Wrought iron heated in contact with charcoal (carbon) at high temperature produces carbonized iron or steel, which is more malleable than cast iron. Steel can be hardened by quenching (practiced as early as the tenth century B.C.E.), that is, cooling off the red-hot steel by sudden immersion into a vat of cold liquid. . . . At Har Adir in Upper Galilee, a remarkably well-preserved "steel pick" with an oak handle within the socket was found in an eleventh-century B.C.E. fortress. It was made of carburized iron (steel) that had been quenched and then tempered. This extraodinary artifact, one of the earliest known examples of steel tools, is a tribute to the skill (or luck) of the artisans of ancient Palestine.[3]

The New World: The majority of metals available were best suited for decorative purposes, not functional ones

The next problem is the New World itself. There were two things retarding the use of metals in Mesoamerica. One is the availability of obsidian. Both for technical and sacred reasons, it was the cutting tool of choice. As a cutting tool, it was vastly superior to metal blades (rivaling modern surgical instruments). There was no need to look for a better blade, because they already had it.

The second is that the majority of metals available (a factor that continued through the time of the Spanish Conquest) were best suited for decorative purposes, not functional ones. There was gold and silver, but these were too soft for functional implements. When they were used, it was for artistic purposes.

In the Book of Mormon the strongest textual evidence for metalworking is the presence of gold plates. That fits the bill of the softer metal, not a functional one. Most of the described ores (save iron—see below) are soft metals. Mesoamerica did use quite a bit of iron ore, but much of it was used without smelting, establishing a cultural/religious connotation that would have retarded experimentation with the ore for any other purpose (ascription of religious value to any physical artifact delays changes in that artifact—see Amish clothing as a more modern example).

The 'conventional wisdom' that metal was not used in the New World prior to A.D. 900 cannot now be sustained

The 'conventional wisdom' that metal was not used in the New World prior to A.D. 900 cannot now be sustained. Copper sheathing on an altar in the Valley of Mexico dates to the first century B.C. [4] Furthermore, in 1998, a discovery in Peru pushed the earliest date of hammered metal back to as early as 1400 B.C.:

"Much to the surprise of archaeologists, one of the earliest civilizations in the Americas already knew how to hammer metals by 1000 B.C., centuries earlier than had been thought.

"Based on the dating of carbon atoms attached to the foils, they appear to have been created between 1410 and 1090 B.C., roughly the period when Moses led the Jews from Egypt and the era of such pharaohs as Amenhotep III, Tutankhamen and Ramses. 'It shows once again how little we know about the past and how there are surprises under every rock,' comments Jeffrey Quilter, director of Pre-Columbian Studies at Dumbarton Oaks, a Harvard University research institute in Washington, D.C."[5]

Sorenson also adduces evidence for metals and metalwork through linguistic evidence. Many Mesoamerican languages have words for metals at very early dates; it would be very strange to have a word for something that one did not have or know existed! Some examples:[6]

Language Date of term for metal
  • Proto-Tzeltal-Tzotzil
  • A.D. 500
  • Proto-Mixtecan
  • 1000 B.C.
  • Proto-Mixe-Zoquean
  • 1500 B.C.
  • Huastecan
  • 1500 B.C. (conservatively; it is perhaps even earlier to a limit of about 2200 B.C.)

Metallurgy is known in Peru from 1900 B.C., and in Ecuador via trade by 1000 B.C.

As one non-LDS author wrote:

Current information clearly indicates that by 1000 B.C. the most advanced metallurgy was being practiced in the Cauca Valley of Colombia.[7]

Metallurgy is known in Peru from 1900 B.C., and in Ecuador via trade by 1000 B.C. Since Mesoamerica is known to have had trade relations with parts of the continent that produced metals, and because metal artifacts dating prior to A.D. 900 have been found in Mesoamerica, it seems reasonable to assume that at least some Mesoamericans knew something about metallurgy.


Question: What is "brass" in the Book of Mormon?

"Brass" is an alloy of copper and zinc

"Brass" is an alloy of copper and zinc. It is a term used frequently in the Bible and the Book of Mormon. Some occurrences in the Bible have been determined by Biblical scholars to actually reflect the use of bronze (an alloy of copper and tin), rather than brass.

On the other hand, actual brass has been found in the Old World which dates to Lehi's era, and so the idea of "brass" plates is not the anachronism which was once thought. Either "brass plates" or "bronze plates" would fit.[8]

The Jaredites dug for gold, silver and iron, but they "made" brass

An interesting point concerning alloys is found in Ether 10꞉23

in which the Jaredites "did make...brass," (an alloy), but "did dig...to get ore of gold, and of silver, and of iron, and of copper."  The Book of Mormon author has a clear understanding of those metals which are found in a raw state, and those which must be made as an alloy.


Question: Is the mention of the metal "ziff" in the Book of Mormon an anachronism?

"Ziff" is not an anachronism. Better yet, there is a Hebrew meaning for the word that makes sense

"Ziff" is a metal of uncertain identity. "Ziff" as a Hebrew word suggests two meanings, either "shining" or "to be plated." Sorenson suggests that this could be 'tumbaga' (a mixture of gold and copper which was both cheaper and lighter than gold), tin, or mercury.[9]


Question: What was known about iron in ancient America?

Iron is documented among the pre-Columbian peoples: They used exposed iron sources or meteorite iron

Iron is documented among the pre-Columbian peoples. Even if they did not practice smelting (extracting iron from ore), they used exposed iron sources or meteorite iron. Production of iron artifacts from such sources is documented in San Jose Mogote by 1200 B.C.[10] Several tons of Olmec-era iron artifacts are known:[11] "the Olmec were a sophisticated people who possessed advanced knowledge and skill in working iron ore minerals."[12] Mesoamerica did use quite a bit of iron ore, but much of it was used without smelting, establishing a cultural/religious connotation that would have retarded experimentation with the ore for any other purpose (ascription of religious value to any physical artifact delays changes in that artifact).


Sorenson: "Iron use was documented in the statements of early Spaniards, who told of the Aztecs using iron-studded clubs"

John L. Sorenson:[13]

Iron use was documented in the statements of early Spaniards, who told of the Aztecs using iron-studded clubs. [14] A number of artifacts have been preserved that are unquestionably of iron; their considerable sophistication, in some cases, at least suggests interest in this metal [15]....Few of these specimens have been chemically analyzed to determine whether the iron used was from meteors or from smelted ore. The possibility that smelted iron either has been or may yet be found is enhanced by a find at Teotihuacan. A pottery vessel dating to about A.D. 300, and apparently used for smelting, contained a "metallic-looking" mass. Analyzed chemically, it proved to contain copper and iron. [16]


Sorenson: "Lumps of hematite, magnetite, and ilmenite were brought into Valley of Oaxaca"

John L. Sorenson:

Without even considering smelted iron, we find that peoples in Mesoamerica exploited iron minerals from early times. Lumps of hematite, magnetite, and ilmenite were brought into Valley of Oaxaca sites from some of the thirty-six ore exposures located near or in the valley. These were carried to a workshop section within the site of San Jose Mogote as early as 1200 B.C. There they were crafted into mirrors by sticking the fragments onto prepared mirror backs and polishing the surface highly. These objects, clearly of high value, were traded at considerable distances.[17]


Question: What was known about steel in ancient America?

The steel of the Book of Mormon is probably not modern steel. Steel, as we understand today, had to be produced using a very cumbersome process and was extremely expensive until the development of puddling towards the end of the 18th century. Even in ancient times, however, experienced smiths could produce steel by heating and hammering pig-iron or, earlier still, the never-molten iron from a bloomery to loose the surplus of carbon to get something like elastic steel. Early smiths even knew that by quenching hot steel in water, oil, or a salt solution the surface could be hardened.

Any Mesoamerican production likely depended upon the first method, which requires lower temperatures and less sophistication. Laban's "steel sword" is not anachronistic; Middle Eastern smiths were making steel by the tenth century B.C.[18]


Madden et al.: "by the beginning of the tenth century B.C. blacksmiths were intentionally steeling iron"

Robert Maddin, James D. Muhly and Tamara S. Wheeler:

It seems evident that by the beginning of the tenth century B.C. blacksmiths were intentionally steeling iron. [19]


Roper: "For example, an iron knife was found in an eleventh century Philistine tomb showed evidence of deliberate carburization"

Matthew Roper:

Archaeologists, for example, have discovered evidence of sophisticated iron technology from the island of Cyprus. One interesting example was a curved iron knife found in an eleventh century tomb. Metallurgist Erik Tholander analyzed the weapon and found that it was made of “quench-hardened steel.” Other examples are known from Syro-Palestine. For example, an iron knife was found in an eleventh century Philistine tomb showed evidence of deliberate carburization. Another is an iron pick found at the ruins of an fortress on Mount Adir in northern Galilee and may date as early as the thirteenth century B.C. “The manufacturer of the pick had knowledge of the full range of iron-working skills associated with the production of quench hardened steel” (James D. Muhly, “How Iron technology changed the ancient world and gave the Philistines a military edge,” Biblical Archaeology Review 8/6 [November-December 1982]: 50). According to Amihai Mazar this implement was “made of real steel produced by carburizing, quenching and tempering.” (Amihai Mazar, Archaeology of the Land of the Bible 10,000-586 B.C.E. New York: Doubleday, 1990, 361).[20]


Roper: "archaeologists have discovered a carburized iron sword near Jericho" which dates about 600 B.C.

Matthew Roper:

More significant, perhaps, in relation to the sword of Laban, archaeologists have discovered a carburized iron sword near Jericho. The sword which had a bronze haft, was one meter long and dates to the time of king Josiah, who would have been a contemporary of Lehi. This find has been described as “spectacular” since it is apparently “the only complete sword of its size and type from this period yet discovered in Israel.”(Hershall Shanks, “Antiquities director confronts problems and controversies,” Biblical Archaeology Review 12/4 [July-August 1986]: 33, 35).

Today the sword is displayed at Jerusalem’s Israel Museum. For a photo of the sword see the pdf version of the article here.

The sign on the display reads:

This rare and exceptionally long sword, which was discovered on the floor of a building next to the skeleton of a man, dates to the end of the First Temple period. The sword is 1.05 m. long (!) and has a double edged blade, with a prominent central ridge running along its entire length.

The hilt was originally inlaid with a material that has not survived, most probably wood. Only the nails that once secured the inlays to the hilt can still be seen. The sword’s sheath was also made of wood, and all that remains of it is its bronze tip. Owing to the length and weight of the sword, it was probably necessary to hold it with two hands. The sword is made of iron hardened into steel, attesting to substantial metallurgical know-how. Over the years, it has become cracked, due to corrosion.

Such discoveries lend a greater sense of historicity to Nephi’s passing comment in the Book of Mormon.[21]

Here is a video explanation and visual representation of this sword


Sorenson: "By 1400 BC, smiths in Armenia had discovered how to carburize iron by prolonged heating in contact with carbon"

John L. Sorenson: [22]

Steel is "iron that has been combined with carbon atoms through a controlled treatment of heating and cooling." [23] Yet "the ancients possessed in the natural (meteoric) nickel-iron alloy a type of steel that was not manufactured by mankind before 1890." [24] (It has been estimated that 50,000 tons of meteoritic material falls on the earth each day, although only a fraction of that is recoverable.) [25] By 1400 BC, smiths in Armenia had discovered how to carburize iron by prolonged heating in contact with carbon (derived from the charcoal in their forges). This produced martensite, which forms a thin layer of steel on the exterior of the object (commonly a sword) being manufactured. [26] Iron/steel jewelry, weapons, and tools (including tempered steel) were definitely made as early as 1300 BC (and perhaps earlier), as attested by excavations in present-day Cyprus, Greece, Turkey, Syria, Egypt, Iran, Israel, and Jordan. [27] "Smiths were carburizing [i.e., making steel] intentionally on a fairly large scale by at least 1000 BC in the Eastern Mediterranean area." [28]


Hamblin: "there are no references to Nephite steel after 400 B.C."

William Hamblin: [29]

Steel is mentioned only five times in the Book of Mormon, once in the Book of Ether (7.9), and four times in the Nephite records (1 Ne 4.9, 1 Ne 16.18, 2 Ne 5.15 and Jar 1.8). Of these, two refer to Near Eastern weapons of the early sixth century B.C. 1 Ne 4.9 states that the blade of Laban’s sword was “of most precious steel.” Nephi’s Near Eastern bow was “made of fine steel” (1 Ne 16.18). The next two references are to steel among generic metal lists. The first is to the time of Nephi, around 580 B.C.:

“work in all manner of wood, and of iron, and of copper, and of brass, and of steel, and of gold, and of silver, and of precious ores” (2 Ne 5:15)

The second is from Jarom 1:8, around 400 B.C.:

“workmanship of wood, in buildings, and in machinery, and also in iron and copper, and brass and steel, making all manner of tools of every kind to till the ground, and weapons of war–yea, the sharp pointed arrow, and the quiver, and the dart, and the javelin, and all preparations for war”

Notice that these two texts are what is called a “literary topos,” meaning a stylized literary description which repeats the same ideas, events, or items in a standardized way in the same order and form.

Nephi: “wood, and of iron, and of copper, and of brass, and of steel” Jarom: “wood, …iron and copper, and brass and steel” The use of literary topoi is a fairly common ancient literary device found extensively in the Book of Mormon (and, incidentally, an evidence for the antiquity of the text). Scholars are often skeptical about the actuality behind a literary topos; it is often unclear if it is merely a literary device or is intended to describe specific unique circumstances.

Note, also, that although Jarom mentions a number of “weapons of war,” this list notably leaves off swords. Rather, it includes “arrow, and the quiver, and the dart, and the javelin.” If iron/steel swords were extensively used by Book of Mormon armies, why are they notably absent from this list of weapons, the only weapon-list that specifically mentions steel?

Significantly, there are no references to Nephite steel after 400 B.C.

See FairMormon Evidence:
More evidence related to the use of iron in the Book of Mormon

  1. Matthew Roper, "Right on Target: Boomerang Hits and the Book of Mormon," FAIR Conference, 2001.
  2. Jared M. Diamond, Guns, Germs, and Steel: The Fates of Human Societies (New York: W.W. Norton and Co., 1999), 257.
  3. Philip J. King and Lawerence E. Stager, Life in Biblical Israel (Louisville: Westminster John Knox Press, 2001), 169.
  4. John L. Sorenson, An Ancient American Setting for the Book of Mormon (Salt Lake City, Utah : Deseret Book Co. ; Provo, Utah : Foundation for Ancient Research and Mormon Studies, 1996 [1985]), 278.
  5. Available on ABCnews.com; original story from Richard L. Burger and Robert B. Gordon, "Early Central Andean Metalworking from Mina Perdida, Peru," Science 282:5391 (6 November 1998) :1108–1111. Cited by jefflindsay.comoff-site
  6. Adapted from data in John L. Sorenson, An Ancient American Setting for the Book of Mormon (Salt Lake City, Utah : Deseret Book Co. ; Provo, Utah : Foundation for Ancient Research and Mormon Studies, 1996 [1985]),278–280. Similar arguments in a later source can be found in John L. Sorenson, "Steel in Early Metallurgy," Journal of Book of Mormon Studies 15/2 (2006). [108–109] link
  7. Source: Archaeology (Nov/Dec 1985): 81. PDF link
  8. John L. Sorenson, An Ancient American Setting for the Book of Mormon (Salt Lake City, Utah : Deseret Book Co. ; Provo, Utah : Foundation for Ancient Research and Mormon Studies, 1996 [1985]), 283.
  9. Roy W. Doxey, "I Have A Question: What was the approximate weight of the gold plates from which the Book of Mormon was translated?," Ensign (December 1986), 64.
  10. John L. Sorenson, An Ancient American Setting for the Book of Mormon (Salt Lake City, Utah : Deseret Book Co. ; Provo, Utah : Foundation for Ancient Research and Mormon Studies, 1996 [1985]), 285.
  11. Richard A. Diehl, The Olmecs: America's First Civilization (Thames & Hudson, 2004), 93–94. FAIR link
  12. John B. Carlson, "Lodestone Compass: Chinese or Olmec Primacy? Multidisciplinary Analysis of an Olmec Hematite Artifact from San Lorenzo, Veracruz, Mexico," Science 189, No. 4205 (5 September 1975): 753-760.
  13. John L. Sorenson, An Ancient American Setting for the Book of Mormon (Salt Lake City, Utah : Deseret Book Co. ; Provo, Utah : Foundation for Ancient Research and Mormon Studies, 1996 [1985]), 284.
  14. H.H. Bancroft, The Native Races (of the Pacific States), vol. 2 (San Francisco: A. L. Bancroft and Co., 1882), pp. 407-8.
  15. Rene Rebetez, Objetos Prehispanicos de Hierro Y Piedra (Mexico: Libreria Anticuaria, n.d.).
  16. Sigvald Linne, Mexican Highland Cultures, Ethnographical Museum of Sweden, Publication 7, n.s. (Stockholm, 1942), p. 132.
  17. John L. Sorenson, An Ancient American Setting for the Book of Mormon (Salt Lake City, Utah : Deseret Book Co. ; Provo, Utah : Foundation for Ancient Research and Mormon Studies, 1996 [1985]), 285.
  18. Matthew Roper, "Right on Target: Boomerang Hits and the Book of Mormon," FAIR Conference 2001.
  19. Robert Maddin, James D. Muhly and Tamara S. Wheeler, “How the Iron Age Began,” Scientific American 237/4 [October 1977]:127. Cited by Matthew Roper, "Laban’s Sword of 'Most Precious Steel' (Howlers #5)," FairMormon Blog (17 June 2013)
  20. Matthew Roper, "Laban’s Sword of 'Most Precious Steel' (Howlers #5)," FairMormon Blog (17 June 2013)
  21. Matthew Roper, "Laban’s Sword of 'Most Precious Steel' (Howlers #5)," FairMormon Blog (17 June 2013)
  22. John L. Sorenson, "Steel in Early Metallurgy," Journal of Book of Mormon Studies 15/2 (2006). [108–109] link
  23. Lenore O. Keene Congdon, "Steel in Antiquity: A Problem in Terminology," in Studies Presented to George M. A. Hanfmann, ed. David Gordon Mitten et al. (Cambridge: Fogg Art Museum, Harvard University, 1971), 18–19.
  24. Robert James Forbes, Metallurgy in Antiquity: A Notebook for Archaeologists and Technologists (Leiden, The Netherlands: E. J. Brill, 1950), 402.
  25. Harvey Harlow Nininger, Find a Falling Star (New York: Paul S. Erikson, 1972), 238.
  26. Congdon, "Steel in Antiquity," 24–25; D. Davis et al., "A Steel Pick from Mount Adir in Palestine," Journal of Near Eastern Studies 44/1 (1985): 42; and Muhly, "Mining and Metalwork," 3:1515.
  27. Patrick E. McGovern, "The Innovation of Steel in Transjordan," Journal of Metals 40/7 (1988): 50; Jane C. Waldbaum, From Bronze to Iron: The Transition from the Bronze Age to the Iron Age in the Eastern Mediterranean (Göteborg, Sweden: Paul Åström, 1978), 54; and Robert Maddin et al., "How the Iron Age Began," Scientific American 237 (1977): 122.
  28. Tamara S. Wheeler and Robert Maddin, "Metallurgy and Ancient Man," in Coming of the Age of Iron, ed. Wertime and Muhly, 116.
  29. William Hamblin, "Steel in the Book of Mormon," FairMormon Papers