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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Quartz from
Pestera din Valea Rea, Pietroasa, Bihor County, Romania


Locality type:Cave
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Pestera din Valea Rea, Pietroasa, Bihor County, Romania
Data Identifiers
Mindat Occurrence Record ID:1237363
Long-form Identifier:1:3:1237363:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
6.4km (4.0 miles) ⓘValea Rea skarn, Pietroasa, Bihor County, Romania
7.4km (4.6 miles) ⓘAleului Valley, Pietroasa, Bihor County, Romania
10.8km (6.7 miles) ⓘHumpleu Cave, Firei valley, Bihor Mountains, Bihor County, Romania
18.6km (11.5 miles) ⓘBăiţa mining district, Nucet, Bihor County, Romania
19.1km (11.8 miles) ⓘAvram Iancu mine, Băiţa mining district, Nucet, Bihor County, Romania
22.9km (14.2 miles) ⓘArieșul Mic Valley Zone, Avram Iancu mine, Băiţa mining district, Nucet, Bihor County, Romania
35.6km (22.2 miles) ⓘPeștera Vântului (Wind Cave), Șuncuiuș clay mine, Pădurea Craiului Mountains, Bihor County, Romania
45.8km (28.5 miles) ⓘDumbrava, Căpușu Mare, Cluj County, Romania
49.7km (30.9 miles) ⓘPotingani zeolite occurrence, Brad, Hunedoara County, Romania
50.0km (31.1 miles) ⓘRoşia Montană, Roșia Montană, Alba County, Romania
References
Onac, B. P., Bengeanu, M., Botez, M., & Zih, J. (1995). Preliminary report on the mineralogy of Pestera din Valea Rea (Bihor Mountains, Romania). Theoretical and Applied Karstology, 8, 75.
 
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