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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Jarosite from
Wheal Friendship, Mary Tavy, West Devon, Devon, England, UK


Locality type:Mine
Classification
Species:Jarosite
Formula:KFe33+(SO4)2(OH)6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Jarosite data
Locality Data:Click here to view Wheal Friendship, Mary Tavy, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:16564
Long-form Identifier:1:3:16564:4
GUID (UUID V4):0
Nearest other occurrences of Jarosite
12.4km (7.7 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
14.5km (9.0 miles) ⓘGreystone Quarry, Lezant, Cornwall, England, UK
48.2km (30.0 miles) ⓘPortledge Mine (incl. Cockington Head), Alwington, Torridge, Devon, England, UK
51.8km (32.2 miles) ⓘVenn Quarry, Landkey, North Devon, Devon, England, UK
53.6km (33.3 miles) ⓘHartland Quay, Hartland, Torridge, Devon, England, UK
63.3km (39.3 miles) ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK
75.4km (46.8 miles) ⓘWheal Mexico (Trebellan Mine; incl. Treworthy Mine), Perranzabuloe, Cornwall, England, UK
77.3km (48.1 miles) ⓘGravel Hill Mine (Cliff Iron Mine; Penhale Iron Mine), Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK
85.0km (52.8 miles) ⓘWheal Maid, Gwennap, Cornwall, England, UK
References
 
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