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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Diopside from
Herräng ore field, Norrtälje, Stockholm County, Sweden


Locality type:Ore Field
Classification
Species:Diopside
Formula:CaMgSi2O6
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Grossular2
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Herräng ore field, Norrtälje, Stockholm County, Sweden
Data Identifiers
Mindat Occurrence Record ID:65081
Long-form Identifier:1:3:65081:4
GUID (UUID V4):0
Localities for Diopside in this Region
Lapp mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
Nearest other occurrences of Diopside
15.9km (9.9 miles) ⓘNothamn limestone quarry, Väddö, Norrtälje, Stockholm County, Sweden
20.7km (12.9 miles) ⓘStabbygruvan, Stabby ore field, Norrtälje, Stockholm County, Sweden
20.8km (12.9 miles) ⓘSlotts Mine, Stabby ore field, Norrtälje, Stockholm County, Sweden
21.8km (13.6 miles) ⓘBjörsta mine, Östhammar, Uppsala County, Sweden
23.1km (14.4 miles) ⓘSöderby mines, Östhammar, Uppsala County, Sweden
39.1km (24.3 miles) ⓘVigelsbo Mines, Östhammar, Uppsala County, Sweden
39.9km (24.8 miles) ⓘLiäng Limestone Q., Östhammar, Uppsala County, Sweden
40.2km (25.0 miles) ⓘAlmunge complex, Almunge, Uppsala, Uppsala County, Sweden
44.3km (27.5 miles) ⓘDannemora Mine, Dannemora, Östhammar, Uppsala County, Sweden
51.5km (32.0 miles) ⓘGökum limestone quarry, Dannemora, Östhammar, Uppsala County, Sweden
References
Natural History Museum, Stockholm collection inventory nr. g12274
 
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