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Perrierite-(La)

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ESM825058

Perrierite-(La)

ex Schüller / ex Geuer
Type Locality

Description Tabs

Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 1 cm
Description

A lustrous black perrierite crystal on matrix (IMA 2010-089, Dr.Chukanov)  ( For original close-up photo contact us )

Mineral Data
What's on the rock

Perrierite-(La)

Formula: 
(La,Ce,Ca)4(Fe,Mn2+,Mg)Fe3+2(Ti,Fe3+)2(Si2O7)2O8
Strunz: 
9.BE.70
Hardness: 
6.0 - 0.0
Colour: 
Black
Streak: 
Brown
Type Locality: 
In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany