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Günterblassite & Barytolamprophyllite

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HCH90687

Günterblassite & Barytolamprophyllite

Type Locality

Description Tabs

Description
Locality: 
Rother Kopf, Roth, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 5.6 × 2.5 cm
Largest Crystal: 
0.05cm
Description

tabulare and platy crystals of white to colourless günterblassite with some brown barytolamprophyllite near pyroxene, nephiline and others on matrix. Rich speciem!

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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