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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Quartz from
Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France


08618530017363536779082.jpg
Amethyst

Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
01386770017363536784709.jpg
Amethyst

Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
08345100017272032127229.jpg
Amethyst

Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
01386770017363536784709.jpg
Amethyst

Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
08345100017272032127229.jpg
Amethyst

Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
01386770017363536784709.jpg
Amethyst

Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
Locality type:Lake
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Alfeld Lake, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
Data Identifiers
Mindat Occurrence Record ID:74673
Long-form Identifier:1:3:74673:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.9km (0.5 miles) ⓘEnzengesick, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
1.1km (0.7 miles) ⓘBaerenbach, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
1.3km (0.8 miles) ⓘGrand Langenberg, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
1.6km (1.0 miles) ⓘBoedelen, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
3.3km (2.1 miles) ⓘPetit Neuweiher, Rimbach-près-Masevaux, Thann-Guebwiller, Haut-Rhin, Grand Est, France
4.1km (2.5 miles) ⓘHirtzelach pass, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
5.3km (3.3 miles) ⓘNeumattwald, Dolleren, Thann-Guebwiller, Haut-Rhin, Grand Est, France
6.5km (4.0 miles) ⓘBruckenberg Mountain, Oberbruck, Thann-Guebwiller, Haut-Rhin, Grand Est, France
7.2km (4.5 miles) ⓘBrandeskopf Mountain, Wegscheid, Thann-Guebwiller, Haut-Rhin, Grand Est, France
7.3km (4.5 miles) ⓘSteingraben Mine, Urbès, Thann-Guebwiller, Haut-Rhin, Grand Est, France
References
Wittern, A.; Journée, J.R. (1997) Mineralien finden in den Vogesen. Verlag Sven von Loga. 160 pp.p.120
 
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