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Whewellite

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PDM592075

Whewellite

Description Tabs

Description
Locality: 
Shaft 371, Schlema-Hartenstein, Erzgebirge, Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 1.1 × 0.7 cm
Description

Snow white twinned whewellite crystals with a contact twin on {-101} with re-entrant angles. The specimen size (11 mm) is good for the locality and it is completely undamaged.

The label reads the exact point of the mine were it was found: Erna Ost, Block 1159, Gallery 2059, Street 13, located a depth of 1571 m. From my own collection.

Mineral Data
What's on the rock

Whewellite

Formula: 
Ca(C2O4)·H2O
Strunz: 
10.AB.45
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0

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