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Heidornite

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JYJ560561

Heidornite

Description Tabs

Description
Locality: 
Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Thuringia, Germany
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.15 × 0.15 cm
Description

A single crystal of the very rare borate heidornite, which can be only found in Germany. 

Mineral Data
What's on the rock

Heidornite

Formula: 
Na2Ca3B5O8(SO4)2Cl(OH)2
Strunz: 
6.EC.30
Hardness: 
4.0 - 5.0
Type Locality: 
Frenswegen 3 deep bore, Frenswegen, Nordhorn, Lower Saxony, Germany