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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Rock Crystal from
Laßnitzgraben, Deutschlandsberg, Deutschlandsberg District, Styria, Austria


Classification
Species:Quartz var: Rock Crystal
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rock Crystal data
Locality Data:Click here to view Laßnitzgraben, Deutschlandsberg, Deutschlandsberg District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:975896
Long-form Identifier:1:3:975896:4
GUID (UUID V4):0
Nearest other occurrences of Rock Crystal
2.9km (1.8 miles) ⓘAmphibolite quarry (Schwemmhoisl quarry; Burgegg quarry), Schwemmhoisl farm, Warnblick, Deutschlandsberg, Deutschlandsberg District, Styria, Austria
8.6km (5.3 miles) ⓘHartner quarry, Bad Schwanberg, Deutschlandsberg District, Styria, Austria
11.5km (7.2 miles) ⓘFürpaß quarry (Fürbaß quarry; Fürpass quarry; Wernersdorf quarry), Wernersdorf, Wies, Deutschlandsberg District, Styria, Austria
12.8km (8.0 miles) ⓘFreiländer Alp, Heb Alp, Hirschegg-Pack, Voitsberg District, Styria, Austria
13.8km (8.6 miles) ⓘSpodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
15.8km (9.8 miles) ⓘDreiecksebene, Krumbach, Soboth, Eibiswald, Deutschlandsberg District, Styria, Austria
18.0km (11.2 miles) ⓘBugglbauer (Buckelbauer), Preitenegg, Wolfsberg District, Carinthia, Austria
19.7km (12.2 miles) ⓘPrössinggraben, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
20.5km (12.8 miles) ⓘMarxbauer (Maxbauer), Steinweißwald, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
20.7km (12.9 miles) ⓘSteinberg, Sankt Georgen im Lavanttal, Wolfsberg District, Carinthia, Austria
References
Postl+Moser (1988)
 
and/or  
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