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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Tourmaline from
Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria


01481730017371496674156.jpg
Tourmaline, etc.

Höllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
01481730017371496674156.jpg
Tourmaline, etc.

Höllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
05795500017271989137695.jpg
Tourmaline, etc.

Höllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Comments:constituent of pegmatites
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Polarised-light microscopy
SEM-EDS
Associated Minerals Based on Photo Data:
Muscovite2
Lazulite1
Quartz1
Apatite1
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:295331
Long-form Identifier:1:3:295331:1
GUID (UUID V4):0
Localities for Tourmaline in this Region
Höllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Freßnitzkogel, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Rotriegel ridge, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Wegscheidkreuz, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Nearest other occurrences of Tourmaline
1.3km (0.8 miles) ⓘRotriegel ridge, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
1.5km (0.9 miles) ⓘFreßnitzkogel, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
2.8km (1.7 miles) ⓘWegscheidkreuz, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
4.6km (2.9 miles) ⓘHöllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
9.6km (6.0 miles) ⓘTraibach stream bed, Traibachgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
10.1km (6.3 miles) ⓘPretulgraben, Langenwang, Bruck-Mürzzuschlag District, Styria, Austria
11.4km (7.1 miles) ⓘQuartzite quarry (Steinbruch Rohrdorfer; Tanzer quarry), Falkenstein, Fischbach, Weiz District, Styria, Austria
11.8km (7.3 miles) ⓘLambachgraben quarry ("Harterbachgraben" quarry), Hadersdorf, Kindberg, Bruck-Mürzzuschlag District, Styria, Austria
11.9km (7.4 miles) ⓘRattner Alp - Steinriegel area, Ratten, Weiz District, Styria, Austria
12.5km (7.8 miles) ⓘHirnriegel, Ganz valley, Langenwang, Bruck-Mürzzuschlag District, Styria, Austria
References
Alker, A. (1972), Der Aufschluß, SB, 51.
 
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