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Strontianite & Calcite

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ESM686495

Strontianite & Calcite

Description Tabs

Description
Locality: 
Pfeffingen Quarry, Albstadt, Schwäbische Alb, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2.7 × 2 cm
Description

Snow-white tufts of acicular strontianite crystals on calcite crystals

Mineral Data
What's on the rock

Strontianite

Formula: 
SrCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Strontian, North West Highlands (Argyllshire), Scotland, UK

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White