Morozeviczite
Morozeviczite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Pb₃Ge₁₋ₓS₄.
Key properties: specific gravity 6.62; Dark gray. Anisotropism: Distinct. R1 –R2: (470) 43.5–44.5 streak.
IMA symbol Mzv, IMA status: approved, named in 1974.
Found in epigenetic veinlets and metasomatic replacement zones replacing sandstone and older sulfides, in brecciated sandstones underlying copper-bearing shales.
It is found associated with Marcasite, chalcopyrite, bornite, chalcocite, tennantite, sphalerite, galena.
The mineral was named to honor Josef Morozewicz (1865–1941), Professor of Mineralogy, Jagellonian University, Kraków, Poland.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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