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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Kyanite from
KTB borehole (KTB pilot hole), Windischeschenbach, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany


Locality type:Borehole
Classification
Species:Kyanite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kyanite data
Locality Data:Click here to view KTB borehole (KTB pilot hole), Windischeschenbach, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:1771663
Long-form Identifier:1:3:1771663:1
GUID (UUID V4):0
Nearest other occurrences of Kyanite
9.5km (5.9 miles) ⓘUnnamed placers, Pressath, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
22.1km (13.7 miles) ⓘBayerland mine, Pfaffenreuth, Leonberg, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
26.2km (16.3 miles) ⓘSchönbrunner Berg, Schönbrunn, Wunsiedel, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
29.6km (18.4 miles) ⓘMarble quarry, Stemmas, Thiersheim, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
44.3km (27.6 miles) ⓘFalls (Railway bend), Marktschorgast, Kulmbach District, Upper Franconia, Bavaria, Germany
47.0km (29.2 miles) ⓘEclogite outcrops, Weißenstein, Stammbach, Hof District, Upper Franconia, Bavaria, Germany
49.6km (30.8 miles) ⓘCaltov, Kříženec, Planá, Tachov District, Plzeň Region, Czech Republic
51.9km (32.2 miles) ⓘSilberbach, Konradsreuth, Hof District, Upper Franconia, Bavaria, Germany
52.6km (32.7 miles) ⓘVysoké Jamné kyanite occurrence, Vysoké Jamné, Lestkov, Tachov District, Plzeň Region, Czech Republic
52.8km (32.8 miles) ⓘClay pits, Oberkotzau, Hof District, Upper Franconia, Bavaria, Germany
References
KONTNY, AGNES; FRIEDRICH, GTTNTIIER; TIERZIG, PETER; KEYSSNER, Stephan (1994) ARGENTIAN.PENTLANDITE.BEARING ASSEMBLAGES IN METAMORPHIC ROCKS OFTHE KTB PILOT HOLE, OBERPFAIZ, GERMAN. The Canadian Mineralogist, 32. 803-804
 
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