Patterns and puzzles
Article Abstract:
The solution to the mystery of the formation of agates still eludes mineralogists. This mystery is upheld in part by the fact that no two agates are alike, in fact some have organic origins. Theories on the formation of agates are presented.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1992
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Don't knock rocks
Article Abstract:
Materials suitable for lapidary projects must be free of unpolishable inclusions, fractures and vugs. These materials should also be compact and uniform. Suitable materials for stone carvings are listed.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1992
User Contributions:
Comment about this article or add new information about this topic:
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