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Machatschkiite

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Machatschkiite

Type Locality

Description Tabs

Description
Locality: 
Anton Mine, Heubach Valley, Wittichen, Schenkenzell, Freiburg, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.5 × 0.4 cm
Description

Outstanding colorless crystals of the extremely rare arsenate-phosphate-sulphate mineral machatschkiite from the type and only known locality worldwide in Anton mine, Germany.

Rare example of a mineral with arsenate and phosphate anions on separate structural positions (i.e., not substituting for each other)

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Machatschkiite

Formula: 
(Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4)·15H2O
Strunz: 
8.CJ.35
Hardness: 
2.0 - 3.0
Type Locality: 
Anton Mine (St. Anton Mine), Heubach Valley, Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany

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