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Overview
Titles
Subjects
Rocks - Identification.
Overview
Works:
2 works in 1 publications in 1 languages
Titles
Rocks, gems, and minerals
by:
(Electronic resources)
The minerals encyclopedia /
by:
(Language materials, printed)
Subjects
Petrology
Rocks- Identification.
Rocks- Encyclopedias.
Minerals
Gems
Minerals- Encyclopedias.
Mineralogy
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