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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Feldspar Group from
Wegscheidkreuz, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria


Classification
Species:'Feldspar Group' (not an IMA approved species)
Comments:constituent of pegmatites and andalusite-biotite schist
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Extremely common
Confirmation
Validity:Confirmed
Confirmation Methods:Polarised-light microscopy
SEM-EDS
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Wegscheidkreuz, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:276602
Long-form Identifier:1:3:276602:7
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
9.1km (5.6 miles) ⓘQuartzite quarry (Steinbruch Rohrdorfer; Tanzer quarry), Falkenstein, Fischbach, Weiz District, Styria, Austria
16.6km (10.3 miles) ⓘKaltenegg, Southern District, Prinzkogel mines, Prinzkogel (Prinzenkogel), Rettenegg, Weiz District, Styria, Austria
17.9km (11.1 miles) ⓘHasen valley, Fröschnitz valley (Fröschnitz), Steinhaus am Semmering, Spital am Semmering, Bruck-Mürzzuschlag District, Styria, Austria
18.4km (11.4 miles) ⓘArzberg am Semmering mines, Hasen valley, Fröschnitz valley (Fröschnitz), Steinhaus am Semmering, Spital am Semmering, Bruck-Mürzzuschlag District, Styria, Austria
23.2km (14.4 miles) ⓘKoglhof pegmatites, Birkfeld, Weiz District, Styria, Austria
24.1km (15.0 miles) ⓘSchlossberg tunnel, Kapfenberg, Bruck-Mürzzuschlag District, Styria, Austria
27.4km (17.0 miles) ⓘS35 motorway tunnel (Mixnitz tunnel), Mixnitz, Pernegg an der Mur, Bruck-Mürzzuschlag District, Styria, Austria
35.4km (22.0 miles) ⓘPegmatite outcrops, Sankt Radegund bei Graz, Graz-Umgebung District, Styria, Austria
37.7km (23.4 miles) ⓘRabenstein, Frohnleiten, Graz-Umgebung District, Styria, Austria
58.8km (36.6 miles) ⓘSerpentinite quarry (Rumpersdorf quarry), Glashütten bei Schlaining, Unterkohlstätten, Oberwart District, Burgenland, Austria
References
www.franzbernhard.x10hosting.com (2016) http://www.franzbernhard.x10hosting.com/polishedslabs.html
 
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