Cookeite in quartz
Article Abstract:
Cookeite crystals of unusual shapes were found to be an inclusion among layers of fluorapatite crystals similar to canoe paddles. The gem is a member of the lithium-bearing chlorite group of minerals, and is usually found in pegmatites.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1997
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Elbaite in beryl
Article Abstract:
Elbaite is a lithium aluminum mineral of the boro-silicate group also known as tourmaline. Beryl is a crystal known as beryllium aluminum silicate. These minerals crystallize in trigonal patterns with prismatic structures.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1992
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Cuprite in calcite
Article Abstract:
Cuprite is a mineral that is useful as a copper ore and is also popular among crystal collectors. Skinny cuprite crystals, known as chalcotrichite, can be found as inclusions in calcite.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1996
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