Gemmological samples: rock crystal from two localities in the Rhodopes, Bulgaria
The paper comprises gemmological and other data on several specimens of faceted rock crystal gemstones from two localities in the Madan ore field, Smolyan Province, and Krumovgrad Municipality, Kardzhali Province, of the Rhodopes, Bulgaria.
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| Format: | Article |
| Language: | English |
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Bulgarian Academy of Sciences
2019-01-01
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| Series: | Historia naturalis bulgarica |
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| Online Access: | https://www.nmnhs.com/historia-naturalis-bulgarica/article.php?id=000436000382019 |