Stanislav Abadjiev
https://orcid.org/0000-0001-9106-1754
28 January 2019 ·
volume 38 · [
issue 1] · pp. 1–4 ·
PDF [full text]
Abstract: 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.
Keywords: gemstone, quartz, Rhodopes, rock crystal
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