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Barytolamprophyllite

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HCH518018

Barytolamprophyllite

Description Tabs

Description
Locality: 
Graulai Quarry, Hillesheim, Eifel, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 2 cm
Largest Crystal: 
0.05cm
Description

Small thinn brown tabulare crystals up to 0.5 mm large of a not nearly analysed mineral of the Barytolamprophyllite-group are sitting in the typical "cleft-parageneses" of this location.
Without any clearly EDX/XRD Analyses it isn´t possible to say what kind of this group we have here.

Mineral Data
What's on the rock

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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