| Bačík, Peter, Fridrichová, Jana, Rybnikova, Olena, Štubňa, Ján, Illášová, Ľudmila, Škoda, Radek, Vaculovič, Tomáš, Pulišová, Zuzana, Sečkár, Peter (2023) Crystal-Chemical and Spectroscopic Study of Gem Sphalerite from Banská Štiavnica, Slovakia. Minerals, 13 (1) 109 doi:10.3390/min13010109 | Journal (article/letter/editorial) | except Cd and Fe, only Mn has content above 20; Co and Cu vary between 2 and 17 ppm. The optical absorption...Chaowen Wang and Bo Xu Keywords: sphalerite; cleiophane; crystal chemistry; Raman spectroscopy; optical...several varieties—the abundant black marmatite, cleiophane, which is colorless to white and translucent;...famous gem-quality sphalerite is from the Aliva mine, Santander, Spain, where large transparent red-orange...e.g., the Iron Cap mine, Aravaipa District, Graham County, or the Westinghouse mine at Duquesne, Santa |
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