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
Semla ore field, Fagersta, Västmanland County, Sweden


Locality type:Ore Field
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 Semla ore field, Fagersta, Västmanland County, Sweden
Data Identifiers
Mindat Occurrence Record ID:100951
Long-form Identifier:1:3:100951:4
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
4.7km (2.9 miles) ⓘHedkärra Mine, Västanfors, Fagersta, Västmanland County, Sweden
6.4km (4.0 miles) ⓘPol mine, Västanfors, Fagersta, Västmanland County, Sweden
9.7km (6.0 miles) ⓘLindbo Quarry, Fagersta, Västmanland County, Sweden
10.2km (6.3 miles) ⓘMorens Öster Mine, Västanfors, Fagersta, Västmanland County, Sweden
11.2km (7.0 miles) ⓘSödra Hackspikgruvan, Smörberg ore field, Norberg, Västmanland County, Sweden
11.8km (7.3 miles) ⓘÅs mine, Getback ore field, Norberg, Västmanland County, Sweden
19.7km (12.3 miles) ⓘNärsjö mine, Smedjebacken, Dalarna County, Sweden
20.1km (12.5 miles) ⓘRöjning mines, Smedjebacken, Dalarna County, Sweden
20.8km (12.9 miles) ⓘKnapptjärn mine, Norn, Hedemora, Dalarna County, Sweden
21.6km (13.4 miles) ⓘBastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden
References
 
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