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


05959270017360818482885.jpg
Brochantite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
09326360017608793938288.jpg
Brochantite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
08085660017271998876834.jpg
Brochantite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
09642080017271998888065.jpg
Brochantite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05965880017368460412799.jpg
Brochantite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
07639990017608793898782.jpg
Brochantite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
08085660017271998876834.jpg
Brochantite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
09642080017271998888065.jpg
Brochantite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05959270017360818482885.jpg
Brochantite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
09326360017608793938288.jpg
Brochantite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
08025260017271998913254.jpg
Brochantite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
09642080017271998888065.jpg
Brochantite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Associated Minerals Based on Photo Data:
Goethite20
Mimetite13
Chrysocolla11
Quartz11
Malachite10
Parnauite10
Connellite8
Alunite Group6
Cyanotrichite6
Chalcoalumite4
Langite4
Bismutite4
Azurite4
Arsenopyrite3
Hidalgoite3
Linarite3
Dolomite2
Plumboagardite2
Cerussite2
Native Copper2
Cuprite2
Liskeardite2
Devilline2
Pharmacosiderite2
Covellite1
Chalcopyrite1
Birnessite1
Wroewolfeite1
Tenorite1
Aurichalcite1
Pseudomalachite1
Bismoclite1
Strashimirite1
Orthoclase1
Cassiterite1
Chalcocite1
Scorodite1
Cornwallite1
Beudantite1
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Photo GalleryView Gallery (29 photos)
Data Identifiers
Mindat Occurrence Record ID:15091
Long-form Identifier:1:3:15091:6
GUID (UUID V4):0
Nearest other occurrences of Brochantite
1.7km (1.0 miles) ⓘHalamanning Mine, St Hilary, Cornwall, England, UK
2.1km (1.3 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
3.0km (1.9 miles) ⓘTolvadden Mine, Marazion, Cornwall, England, UK
6.3km (3.9 miles) ⓘWheal Lucy (Riviere Mine), Hayle, Cornwall, England, UK
6.3km (3.9 miles) ⓘRelistian Mine (Relistien Mine; Relistian Consols), Reawla, Gwinear-Gwithian, Cornwall, England, UK
9.7km (6.0 miles) ⓘPenlee Beach, Newlyn, Penzance, Cornwall, England, UK
11.6km (7.2 miles) ⓘTryphena Mine, Beacon, Camborne, Cornwall, England, UK
11.8km (7.3 miles) ⓘSouth Tolcarne Mine, Beacon, Camborne, Cornwall, England, UK
12.1km (7.5 miles) ⓘSouth Condurrow Mine (Marshall's Shaft), Grenville United Mines, Troon, Camborne, Cornwall, England, UK
12.7km (7.9 miles) ⓘWheal Grenville, Grenville United Mines, Troon, Camborne, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
Betterton, J. (2000) Famous Mineral Localities: Penberthy Croft Mine, St. Hilary, Cornwall, England. UK Journal of Mines and Minerals 20, Rockbottom Publications. 7-37
 
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