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Günterblassite & Barytolamprophyllite

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HCH141975

Günterblassite & Barytolamprophyllite

Description Tabs

Description
Locality: 
Rother Kopf, Roth, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 1.5 cm
Largest Crystal: 
0.05cm
Description

Rich speciem with white tabulare guenterblassite crystals up to 0.5 mm and also tabulare brown crystals of a mineral of the barytolamprophyllite-group. Without analyses it isn´t possible to say if it is schuellerite, the new Mg-Analogene of schuellerite or lileyite.

Mineral Data
What's on the rock

Günterblassite

Formula: 
(K,Ca,Ba)2(Fe,Ca,Mg,Na)[(Si,Al)13O25(OH)4]·7H2
Hardness: 
0.0
Type Locality: 
Rother Kopf, Roth, Gerolstein, Eifel, Rhineland-Palatinate, Germany

Barytolamprophyllite

Formula: 
(Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F)
Strunz: 
9.BE.25
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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