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Emmerichite Lileyite & Günterblassite

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CSL149206

Emmerichite Lileyite & Günterblassite

IMA2013-064; IMA2011-021 & IMA2011-032
New Mineral type

Description Tabs

Description
Locality: 
Rother Kopf, Roth, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.1 × 1.3 cm
Description

Great little specimen of 3 new mineral species. Lileyite and günterblassite is know since the last years but emmerichite is a brand new species. It forms brown tabular crystals intermixed with lileyite on pale yellow altered götzenite. Günterblassite forms white tabular crystals with pearly/silvery luster.

Mineral Data
What's on the rock

Emmerichite

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

Lileyite

Formula: 
Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2
Strunz: 
9.BE.25
Hardness: 
3.0 - 4.0
Colour: 
Brown
Streak: 
White
Type Locality: 
Löhley (Liley; Meerfeld Quarry; Slabik Quarry; Scheerer Quarry), Üdersdorf, Daun, Eifel, Rhineland-Palatinate, Germany

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
Loranth Minerals

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