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Language: en
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Type: BOOK - Published: 2009 - Publisher: Schiffer Publishing
The axinite group of rock-formed minerals is well known to collectors through the spectacularly sharp crystals collected in quantity at Dal'negorsk and Puiva in
Language: en
Pages: 20
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Type: BOOK - Published: 1862 - Publisher:
Language: en
Pages: 0
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Type: BOOK - Published: 2011 - Publisher: Schiffer Publishing Limited
Beryl in its many color varieties is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales worldwide, mainly in pegma
Language: en
Pages: 92
Pages: 92
Type: BOOK - Published: 1923 - Publisher:
Language: en
Pages: 598
Pages: 598
Type: BOOK - Published: 1918 - Publisher: