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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Schorl from
Kuklík pegmatite, Kutná Hora, Kutná Hora District, Central Bohemian Region, Czech Republic


Locality type:Pegmatite
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:Chemistry belongs to the proposed (Hawthorne and Henry 1999) "oxy-schorl" - "oxy-foitite" series.
Colour:Black to dark green
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Iron-bearing Olenite
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Kuklík pegmatite, Kutná Hora, Kutná Hora District, Central Bohemian Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:390191
Long-form Identifier:1:3:390191:5
GUID (UUID V4):0
Nearest other occurrences of Schorl
12.8km (8.0 miles) ⓘLibodřice quarry, Libodřice, Kolín District, Central Bohemian Region, Czech Republic
17.7km (11.0 miles) ⓘPřibyslavice, Vlkaneč, Kutná Hora District, Central Bohemian Region, Czech Republic
28.6km (17.8 miles) ⓘŽebrákovský stream, Vlkanov, Havlíčkův Brod District, Vysočina Region, Czech Republic
36.4km (22.6 miles) ⓘJilem pegmatite locality, Jilem, Havlíčkův Brod District, Vysočina Region, Czech Republic
38.3km (23.8 miles) ⓘRankov, Chotěboř, Havlíčkův Brod District, Vysočina Region, Czech Republic
50.0km (31.1 miles) ⓘRoudný deposit, Benešov District, Central Bohemian Region, Czech Republic
63.8km (39.7 miles) ⓘNemojov quarry, Nemojov, Pelhřimov, Pelhřimov District, Vysočina Region, Czech Republic
66.6km (41.4 miles) ⓘPacova Hill quarry, Dolní Hořice, Tábor District, South Bohemian Region, Czech Republic
69.1km (42.9 miles) ⓘBudislav quarry, Budislav, Svitavy District, Pardubice Region, Czech Republic
70.3km (43.7 miles) ⓘVestřev alluvial placer deposit, Vestřev, Dolní Olešnice, Trutnov District, Hradec Králové Region, Czech Republic
References
Canadian Mineralogist: 44: 23-30.
 
and/or  
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