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Autunite & Quartz

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NST646765

Autunite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Krunkelbach Valley, Menzenschwand, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 6.5 × 2.5 cm
Description

Tabular greenish-yellow Autunite crystals on quartz covered granite matrix. With onglued historic collection number.

Mineral Data
What's on the rock

Autunite

Formula: 
Ca(UO2)2(PO4)2·11H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Saint-Symphorien-de-Marmagne, Montcenis, Saône-et-Loire, Burgundy, France

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
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