Transparent gemstones and the most recent supercontinent cycle
Autor: | John M. Saul |
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Rok vydání: | 2017 |
Předmět: | |
Zdroj: | International Geology Review. 60:889-910 |
ISSN: | 1938-2839 0020-6814 |
Popis: | Certain hard and normally opaque minerals, both rare and common, occasionally crystallize as transparent or partly transparent ‘gem’ crystals. Such stones, designated ‘crystalline coloured ... |
Databáze: | OpenAIRE |
Externí odkaz: |