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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Tennantite Subgroup from
Is Murvonis Mine, Domusnovas, South Sardinia Province, Sardinia, Italy


Locality type:Mine
Classification
Species:'Tennantite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)As4S12S
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Tennantite Subgroup data
Locality Data:Click here to view Is Murvonis Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
Data Identifiers
Mindat Occurrence Record ID:10827
Long-form Identifier:1:3:10827:8
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
12.8km (7.9 miles) ⓘSan Giovanni Mine, Bindua, Iglesias, South Sardinia Province, Sardinia, Italy
17.0km (10.5 miles) ⓘSan Giovanneddu Mine (S'Ega Porceddu), Gonnesa, South Sardinia Province, Sardinia, Italy
23.1km (14.3 miles) ⓘSan Pietro Mine, Monte Tamara mining area, Nuxis, South Sardinia Province, Sardinia, Italy
36.6km (22.7 miles) ⓘMonte Santu Miali, Furtei mine, Furtei, South Sardinia Province, Sardinia, Italy
80.6km (50.1 miles) ⓘBaccu Locci Mine, Villaputzu, South Sardinia Province, Sardinia, Italy
References
Mandarino, Joseph A. (1996) Abstracts of New Mineral Descriptions. The Mineralogical Record, 27 (4) 301-306pp.305-305
 
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