Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Sphärosiderite from
Kremikovtsi mine, Kremikovtsi, Stolichna Municipality, Sofia City Province, Bulgaria


Locality type:Open-Cast Mine
Classification
Species:Siderite var: Sphärosiderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphärosiderite data
Locality Data:Click here to view Kremikovtsi mine, Kremikovtsi, Stolichna Municipality, Sofia City Province, Bulgaria
Data Identifiers
Mindat Occurrence Record ID:1102018
Long-form Identifier:1:3:1102018:9
GUID (UUID V4):0
References
Василева, М., Добрев, С., & Дамянов, Ж. (2003) СРАВНИТЕЛНА ХАРАКТЕРИСТИКА НА ЕНДОГЕНЕН КУТНАХОРИТ ОТ НАХОДИЩЕ РИБНИЦА И ЕКЗОГЕНЕН КУТНАХОРИТ ОТ НАХОДИЩЕ КРЕМИКОВЦИ. Comparative Characteristics of Endogenic Kutnahorite from Ribnitsa Deposit and Exogenic Kutnahorite from Kremikovtsi Deposit.
Zidarov, Nikola, Petrov, Ognyan, Tarassov, Mihail, Damyanov, Zhelyazko, Tarassova, Eugenia, Petkova, Vilma, Kalvachev, Yuri, Zlatev, Zlati (2009) Mn-rich norsethite from the Kremikovtsi ore deposit, Bulgaria. Neues Jahrbuch für Mineralogie - Abhandlungen, 186 (3) 321-331 doi:10.1127/0077-7757/2009/0152
 
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