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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Dundasite from
Port Quin Mine, Port Quin, St Minver, Cornwall, England, UK


Locality type:Mine
Classification
Species:Dundasite
Formula:PbAl2(CO3)2(OH)4 · H2O
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Allophane
Data
Mineral Data:Click here to view Dundasite data
Locality Data:Click here to view Port Quin Mine, Port Quin, St Minver, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:4724
Long-form Identifier:1:3:4724:1
GUID (UUID V4):0
Nearest other occurrences of Dundasite
3.8km (2.4 miles) ⓘTrevinnick Mine, St Kew, Cornwall, England, UK
7.7km (4.8 miles) ⓘPengenna Mine, St Kew, Cornwall, England, UK
8.3km (5.2 miles) ⓘCuddrabridge Mine (Guddrabridge Mine; Padstow Consols; Trevone Consols; Wheal Galway), Gunver Head, Padstow, Cornwall, England, UK
8.5km (5.3 miles) ⓘSouthern Merop Island, Gunver Head, Padstow, Cornwall, England, UK
30.8km (19.2 miles) ⓘGravel Hill Mine (Cliff Iron Mine; Penhale Iron Mine), Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK
35.8km (22.2 miles) ⓘWheal Mary Ann, Menheniot, Cornwall, England, UK
39.0km (24.2 miles) ⓘGreystone Quarry, Lezant, Cornwall, England, UK
63.4km (39.4 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
64.8km (40.3 miles) ⓘWheal Rose (Wheal Lomax), Porthleven, Cornwall, England, UK
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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