Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Amphibole Supergroup from
Langedals Mine, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway


Locality type:Mine
Classification
Species:'Amphibole Supergroup' (not an IMA approved species)
Formula:AB2C5(T8O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amphibole Supergroup data
Locality Data:Click here to view Langedals Mine, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
Data Identifiers
Mindat Occurrence Record ID:1343364
Long-form Identifier:1:3:1343364:2
GUID (UUID V4):0
Nearest other occurrences of Amphibole Supergroup
0.5km (0.3 miles) ⓘTysklands Mine, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
1.0km (0.6 miles) ⓘSkaug Mine, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
2.3km (1.4 miles) ⓘHøgås 3, Høgås Prospects, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
2.8km (1.8 miles) ⓘHøgås 1, Høgås Prospects, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
3.1km (1.9 miles) ⓘGulstøveren Mine, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
4.0km (2.5 miles) ⓘStøverntangen Mine, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
6.7km (4.1 miles) ⓘSkjerpevika, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
10.7km (6.7 miles) ⓘSnippebråten I, Ertelien Mines, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
10.8km (6.7 miles) ⓘErtelien Mine, Ertelien Mines, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
17.5km (10.9 miles) ⓘSvartfjell Mines, Modum West, Modum, Buskerud, Norway
References
(2025) Deposit Area 605 - 011. Langedals Grube. The Ore Database, Geological Survey of Norway.
 
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