Topaz Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of Topaz

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This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audi

Quartz - A Collection of Historical Articles on the Origins, Properties and Varieties of Quartz

File Size : 88,88 MB
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This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audi

Amethyst Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of Quartz

File Size : 29,29 MB
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This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audi

Opal Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of Opal

File Size : 59,59 MB
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This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audi

Topaz

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Part of the Gem Book series, this book is a review of the history, geology and gemmological aspects of topaz. The gem mineral is vigorously examined.