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Language: en
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Pages: 315
Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media
Each gem deposit-whether of primary origin in the parent rocks; or secondary as alluvial placers in valley floors, river gravels, or the sand of oceanic shelves
Language: en
Pages: 442
Pages: 442
Type: BOOK - Published: 2016-10-04 - Publisher: Penguin
Prepare to be dazzled by this shining and sumptuous visual guide to the world's greatest treasures. Feast your eyes on glittering gemstones, kaleidoscopic miner
Language: en
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Pages: 554
Type: BOOK - Published: 1915 - Publisher:
Language: en
Pages: 406
Pages: 406
Type: BOOK - Published: 1989-01-13 - Publisher: Random House Value Pub
Excerpts from history and folklore trace the unusual beliefs and uses of gems since ancient times
Language: en
Pages: 298
Pages: 298
Type: BOOK - Published: 1998 - Publisher: Scarecrow Press
Samar Najm Abul Huda's translation of Ahmad ibn Yusuf al Tifaschi's study of gems. Born in 1184, Al Tifaschi first learned about gems from his father, and augme
