| 000 | 02273cam a22003253u 4500 | ||
|---|---|---|---|
| 001 | 47999 | ||
| 003 | UtSlPG | ||
| 005 | 20260610134113.0 | ||
| 006 | m | ||
| 007 | cr n | ||
| 008 | 260607r2015||||utu|||||o|||||||||||||| d | ||
| 040 | _aUtSlPG | ||
| 041 | 7 |
_aen _2iso639-1 |
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| 050 | 4 | _aQE | |
| 100 | 1 |
_aGeological Survey _q(U.S.) |
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| 245 | 1 | 0 | _aNatural Gemstones |
| 264 | 1 |
_aSalt Lake City, UT : _bProject Gutenberg, _c2015 |
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| 300 |
_a1 online resource : _bmultiple file formats |
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| 336 |
_atext _btxt _2rdacontent |
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| 337 |
_acomputer _bc _2rdamedia |
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| 338 |
_aonline resource _bcr _2rdacarrier |
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| 500 | _aRelease date is 2015-01-16 | ||
| 508 | _aProduced by Stephen Hutcheson, Dave Morgan, Carol Spears and the Online Distributed Proofreading Team at http://www.pgdp.net | ||
| 520 | _a"Natural Gemstones" by Geological Survey is a scientific publication likely written in the late 20th century. The book provides an overview of natural gemstones, discussing their classification as precious or semiprecious, as well as the geologic environments in which they form. It serves as a comprehensive resource for collectors, hobbyists, and anyone interested in the identification and evaluation of gemstones. The content of the book spans various topics related to gemstones, including descriptions of different types of minerals, their formation processes, and specific properties such as hardness and specific gravity. It explains the various geological environments where gemstones are found, such as pegmatites and stream gravels, highlighting that these natural treasures are often rare and scattered. Additionally, the publication provides insights into organic gemstones, gemstone valuation, and tips for prospective buyers to navigate the market wisely, especially concerning synthetic gems. The book acts as an essential guide for amateur gemologists and collectors looking to deepen their understanding of the world of gemstones. (This is an automatically generated summary.) | ||
| 534 | _nOriginal publication data not identified | ||
| 653 | _aPrecious stones -- United States | ||
| 653 | _aPrecious stones -- Collection and preservation -- United States | ||
| 653 | _aGems -- United States | ||
| 856 | 4 | 0 | _uhttps://www.gutenberg.org/ebooks/47999 |
| 999 |
_c88838 _d88838 |
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