Some hiddenite history
Article Abstract:
A 2 1/2 carat green spodumene which was the central piece of the famous Hamlin necklace was considered the finest hiddenite of its kind. The precious jewel was part of A C Hamlin's pendant collection.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1993
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Realgar
Article Abstract:
Realgar is an uncommon gemstone that is also unstable. Its use in jewelry is not recommended because it reduces to powder over time. Lately, the stone has been mined in China.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 2001
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Refraction: single, double, triple?
Article Abstract:
An explanation is presented of the phenomenon of refraction, the refractive index and the causes of multiple refractions within a gemstone.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1999
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