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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Opal from
Basalt quarry, Bingenheim, Echzell, Wetteraukreis, Darmstadt, Hesse, Germany


Locality type:Quarry
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Basalt quarry, Bingenheim, Echzell, Wetteraukreis, Darmstadt, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:989113
Long-form Identifier:1:3:989113:5
GUID (UUID V4):0
Nearest other occurrences of Opal
1.7km (1.0 miles) ⓘBasalt quarry, Blofeld, Reichelsheim, Wetteraukreis, Darmstadt, Hesse, Germany
7.4km (4.6 miles) ⓘOber-Widdersheim quarry, Ober-Widdersheim, Nidda, Wetteraukreis, Darmstadt, Hesse, Germany
10.7km (6.7 miles) ⓘHohenstein quarry, Nidda, Wetteraukreis, Darmstadt, Hesse, Germany
12.0km (7.5 miles) ⓘMaykranz Quarry, Langd, Hungen, Giessen, Giessen Region, Hesse, Germany
19.4km (12.0 miles) ⓘRüdigheim, Neuberg, Main-Kinzig-Kreis, Darmstadt, Hesse, Germany
19.4km (12.1 miles) ⓘBasalt quarry, Gonterskirchen, Laubach, Giessen, Giessen Region, Hesse, Germany
25.9km (16.1 miles) ⓘSchiffenberg quarry, Hausen, Pohlheim, Giessen, Giessen Region, Hesse, Germany
28.0km (17.4 miles) ⓘBasalt quarries, Dietesheim, Mühlheim am Main, Offenbach, Darmstadt, Hesse, Germany
28.7km (17.8 miles) ⓘAttenberg quarry, Großen-Buseck, Buseck, Giessen, Giessen Region, Hesse, Germany
34.6km (21.5 miles) ⓘKahlenberg quarry, Londorf, Rabenau, Giessen, Giessen Region, Hesse, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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