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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Arsenopyrite from
Winslow Tin mine, Winslow, Kennebec County, Maine, USA


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Comments:Untwinned crystals to 1.5 x 0.5 cm
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorite1
Muscovite1
Quartz1
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Winslow Tin mine, Winslow, Kennebec County, Maine, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:42456
Long-form Identifier:1:3:42456:5
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
42.0km (26.1 miles) North Anson Gorge Falls, North Anson, Anson, Somerset County, Maine, USA
42.1km (26.2 miles) Dennis Hill albitite, Litchfield, Kennebec County, Maine, USA
55.5km (34.5 miles) Robinson Mine, Concord, Somerset County, Maine, USA
57.0km (35.4 miles) Kellys Cove, Northport, Waldo County, Maine, USA
58.1km (36.1 miles) Carmel Antimony Mine, Carmel, Penobscot County, Maine, USA
58.2km (36.2 miles) Coombs Quarries, Bowdoin, Sagadahoc County, Maine, USA
59.2km (36.8 miles) Harrington Mine, Carmel, Penobscot County, Maine, USA
65.4km (40.6 miles) Westinghouse Quarry, Buckfield, Oxford County, Maine, USA
66.7km (41.4 miles) Bennett Quarry, Buckfield, Oxford County, Maine, USA
67.7km (42.1 miles) Mount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
References
 
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