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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Sherwoodite from
Blue Cap Mine, La Sal Creek Mining District, San Juan County, Utah, USA


02569810017370832427425.jpg
Sherwoodite

Blue Cap Mine, La Sal Creek Mining District, San Juan County, Utah, USA
02569810017370832427425.jpg
Sherwoodite

Blue Cap Mine, La Sal Creek Mining District, San Juan County, Utah, USA
06520630017272048066696.jpg
Sherwoodite

Blue Cap Mine, La Sal Creek Mining District, San Juan County, Utah, USA
Locality type:Mine
Classification
Species:Sherwoodite
Formula:Ca5.5(AlV4+V125+O39) · 28H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sherwoodite data
Locality Data:Click here to view Blue Cap Mine, La Sal Creek Mining District, San Juan County, Utah, USA
Data Identifiers
Mindat Occurrence Record ID:548679
Long-form Identifier:1:3:548679:3
GUID (UUID V4):0
Nearest other occurrences of Sherwoodite
1.9km (1.2 miles) ⓘVanadium Queen Mine, La Sal Creek Mining District, San Juan County, Utah, USA
3.3km (2.1 miles) ⓘFirefly–Pigmay Mine, La Sal Creek Mining District, San Juan County, Utah, USA
14.1km (8.8 miles) ⓘPandora Mine, La Sal Mining District, San Juan County, Utah, USA
29.1km (18.1 miles) ⓘJo Dandy Mine, Paradox Valley, Montrose County, Colorado, USA
29.2km (18.2 miles) ⓘPeanut Mine, Bull Canyon, Montrose County, Colorado, USA
30.7km (19.1 miles) ⓘMineral Joe No. 1 Mine, Paradox Valley, Montrose County, Colorado, USA
31.5km (19.5 miles) ⓘJ J Mine, Paradox Valley, Montrose County, Colorado, USA
34.6km (21.5 miles) ⓘPackrat Mine, Beaver Mesa, Gateway Mining District, Mesa County, Colorado, USA
35.4km (22.0 miles) ⓘWest Sunday Mine, Slick Rock Mining District, Colorado, USA
35.5km (22.0 miles) ⓘMatchless Mine, Calamity Mesa, Mesa County, Colorado, USA
References
Kampf, A. R., Steele, I. M. (2008) Martyite, a new mineral species related to volborthite: Description and crystal structure. The Canadian Mineralogist, 46 (3) 687-692 doi:10.3749/canmin.46.3.687
Kampf, A. R., Hughes, J. M., Marty, J., Nash, B. (2012) Postite, Mg(H2O)6Al2(OH)2(H2O)8(V10O28)·13H2O, a new mineral species from the La Sal District, Utah: Crystal structure and descriptive mineralogy. The Canadian Mineralogist, 50 (1) 45-53 doi:10.3749/canmin.50.1.45
 
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