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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Hornblende Root Name Group from
Södra Hackspikgruvan, Smörberg ore field, Norberg, Västmanland County, Sweden


Locality type:Mine
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Södra Hackspikgruvan, Smörberg ore field, Norberg, Västmanland County, Sweden
Data Identifiers
Mindat Occurrence Record ID:88734
Long-form Identifier:1:3:88734:8
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
0.9km (0.6 miles) ⓘÅs mine, Getback ore field, Norberg, Västmanland County, Sweden
11.2km (7.0 miles) ⓘSemla ore field, Fagersta, Västmanland County, Sweden
14.1km (8.8 miles) ⓘPol mine, Västanfors, Fagersta, Västmanland County, Sweden
15.1km (9.4 miles) ⓘHedkärra Mine, Västanfors, Fagersta, Västmanland County, Sweden
16.5km (10.2 miles) ⓘKnapptjärn mine, Norn, Hedemora, Dalarna County, Sweden
19.6km (12.2 miles) ⓘMorens Öster Mine, Västanfors, Fagersta, Västmanland County, Sweden
20.1km (12.5 miles) ⓘLindbo Quarry, Fagersta, Västmanland County, Sweden
24.5km (15.2 miles) ⓘBäsinge copper mine, Folkärna, Avesta, Dalarna County, Sweden
25.1km (15.6 miles) ⓘPatron mine, Knutsbo mines, Möklinta ore field, Avesta, Dalarna County, Sweden
25.2km (15.7 miles) ⓘHolmgruve ore field, Hedemora, Dalarna County, Sweden
References
 
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