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
Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK


03435240017374126386123.jpg
Brochantite, etc.

Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
03435240017374126386123.jpg
Brochantite, etc.

Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
08114780017271985035991.jpg
Brochantite, etc.

Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Comments:Cooper & Stanley (1990): "From the 12fm and 30fm levels (Kingsbury and Hartley, MS; Hartley, 1984). Specimens in the Kingsbury Collection, BM(NH) and in the Hartley Collection (Leeds University) show small (< 2mm) striated brochantite crystals on microcrystalline linarite. Also found as a powder (Davidson & Thomson, 1951)."
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Posnjakite1
Schulenbergite1
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:15077
Long-form Identifier:1:3:15077:6
GUID (UUID V4):0
Nearest other occurrences of Brochantite
0.6km (0.4 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
0.9km (0.6 miles) ⓘLow Pike north slopes, Caldbeck, Allerdale, Cumbria, England, UK
1.5km (0.9 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
2.1km (1.3 miles) ⓘPotts Gill Copper Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘHay Gill Copper Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.4km (1.5 miles) ⓘMexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.7km (1.7 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.0km (1.9 miles) ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
Kingsbury, A.W.G. and Hartley, J. (MS) (1951) New occurrences of rare minerals in the northern part of the English Lake District: part 1.
Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Westmorland and Cumberland. North West Naturalist, 23 (for 1948), 136-154.
Hartley, J. (1984) A list of minerals associated with the ore deposits of the Caldbeck Fells, Cumbria. Transactions of the Leeds Geological Association, 10 (3) 22-39
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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