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Götzenite & Emmerichite

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HCH148771

Götzenite & Emmerichite

Description Tabs

Description
Locality: 
Rother Kopf, Roth, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 2 cm
Largest Crystal: 
0.10cm
Description

Needels of Goetzenite up to 1 mm large with small tabulare crystals of Emmerichite up to 0.3 mm on it.

Mineral Data
What's on the rock

Götzenite

Formula: 
Na2Ca5Ti(Si2O7)2F4
Strunz: 
9.BE.22
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Mt Shaheru, Mt Nyiragongo, Goma, Kivu, Democratic Republic of Congo (Zaïre)

Emmerichite

Formula: 
Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2
Hardness: 
0.0
Type Locality: 
Rother Kopf, Roth, Gerolstein, Eifel, Rhineland-Palatinate, Germany

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