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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Astrophyllite from
Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway


07600320017272440308524.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
01530340017271983682981.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
02431590017271983725213.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
02401970017529446487961.jpg
Astrophyllite, etc.

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
04540260017529446486768.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
04541650017367322351666.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
06189480017367323146392.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
02366550017392961869247.jpg
Astrophyllite, etc.

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
07600320017272440308524.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
01530340017271983682981.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
02431590017271983725213.jpg
Astrophyllite

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
06769110017529446481970.jpg
Astrophyllite, etc.

Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
Locality type:Quarry
Classification
Species:Astrophyllite
Formula:K2NaFe72+Ti2[Si4O12]2O2(OH)4F
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Eudidymite1
Monazite-(Ce)1
Data
Mineral Data:Click here to view Astrophyllite data
Locality Data:Click here to view Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
Photo GalleryView Gallery (7 photos)
Data Identifiers
Mindat Occurrence Record ID:254173
Long-form Identifier:1:3:254173:0
GUID (UUID V4):0
Nearest other occurrences of Astrophyllite
0.2km (0.1 miles) ⓘSaga 1 Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
1.3km (0.8 miles) ⓘJohs Nilsens Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
1.7km (1.0 miles) ⓘA/S Granit Quarry, Tuften, Tvedalen, Larvik Commune, Vestfold, Norway
2.0km (1.2 miles) ⓘTuften, Tvedalen, Larvik Commune, Vestfold, Norway
2.0km (1.2 miles) ⓘHeia Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
4.0km (2.5 miles) ⓘBarkevikstranda, Barkevika, Barkevik area, Larvik Commune, Vestfold, Norway
4.1km (2.5 miles) ⓘBarkevika, Barkevik area, Larvik Commune, Vestfold, Norway
4.1km (2.6 miles) ⓘNatrolittodden, Vesle Arøya, Larvik Commune, Vestfold, Norway
4.2km (2.6 miles) ⓘEudidymite-Epididymite locality, Vesle Arøya, Larvik Commune, Vestfold, Norway
4.3km (2.7 miles) ⓘEikaholmen, Larvik Commune, Vestfold, Norway
References
Larsen, Alf Olav; Andersen, Frode; Dahlgren, Sven; Larsen, Knut Edvard; Burvald, Ingulv - Ed. (2010) The Langesundsfjord - History, geology, pegmatites, minerals. Bode Verlag Gmbh. 240 pp.
Andersen, Tom, Erambert, Muriel, Larsen, Alf Olav, Selbekk, Rune S. (2013) Petrology of nepheline syenite pegmatites in the Oslo Rift, Norway: Zr and Ti mineral assemblages in miaskitic and agpaitic pegmatites in the Larvik Plutonic Complex. Mineralogia Polonica, 44 (3-4). 61-98 doi:10.2478/mipo-2013-0007
Sunde, Øyvind, Friis, Henrik, Andersen, Tom (2019) Pegmatites of the Larvik Plutonic Complex, Oslo Rift, Norway: field relations and characterisation. Norwegian Journal of Geology, 99 (1) Geological Society of Norway. doi:10.17850/njg99-1-05
 
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