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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Mimetite from
Penberthy Croft Mine, St Hilary, Cornwall, England, UK


08397060017366951568064.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
04106380017748275381694.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05837810017272003171926.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00955790017272003264795.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
02745210017364175538512.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05098530017747930373673.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05837810017272003171926.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00955790017272003264795.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
09657090017364175534909.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05596210017748275393531.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05837810017272003171926.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00955790017272003264795.jpg
Mimetite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Locality type:Mine
Classification
Species:Mimetite
Formula:Pb5(AsO4)3Cl
Comments:Many specimens are PO4 enriched.
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Confirmation Details:Where Tested and Reference ID: NHM London XRD and SEM
Associated Minerals Based on Photo Data:
Bayldonite43
Goethite41
Carminite21
Alunite Group21
Quartz17
Hidalgoite13
Brochantite13
Segnitite12
Beudantite10
Philipsbornite10
Pharmacosiderite9
Anglesite8
Scorodite7
Malachite6
Duftite6
Azurite5
Plumbogummite5
Linarite3
Tsumcorite Group2
Covellite2
Connellite2
Bismutite1
Cuprite1
Pyromorphite1
Stolzite1
Limonite1
Cerussite1
Mottramite1
Gartrellite1
Cyanotrichite1
Orthoclase1
Olivenite1
Cornwallite1
Chrysocolla1
Agardite-(La)1
Data
Mineral Data:Click here to view Mimetite data
Locality Data:Click here to view Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Photo GalleryView Gallery (112 photos)
Data Identifiers
Mindat Occurrence Record ID:7740
Long-form Identifier:1:3:7740:8
GUID (UUID V4):0
Nearest other occurrences of Mimetite
2.1km (1.3 miles) ⓘWheal Prosper, St Hilary, Cornwall, England, UK
2.1km (1.3 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
4.2km (2.6 miles) ⓘWheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
5.2km (3.2 miles) ⓘWheal Alfred, Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
5.5km (3.4 miles) ⓘAlfred Consols (East Wheal Alfred; Laity Hills Mine), Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
6.8km (4.2 miles) ⓘWheal Prosper, Rinsey, Breage, Cornwall, England, UK
10.8km (6.7 miles) ⓘWheal Penrose, Porthleven, Cornwall, England, UK
11.4km (7.1 miles) ⓘWheal Rose (Wheal Lomax), Porthleven, Cornwall, England, UK
19.2km (11.9 miles) ⓘLittle North Downs Mine (North Downs Mine; Wheal Shanger), Sinns Common, Redruth, Cornwall, England, UK
20.4km (12.7 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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