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Osumilite-(Mg) Wollastonite

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ZLT723348

Osumilite-(Mg) Wollastonite

Type Locality

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 3.8 × 2 cm
Description

Xenolith-Matrix with a nice, well shaped, dicroitic (blue-yellow) osumilie-Mg-crystal with sillimanite. Collected 1987.

Mineral Data
What's on the rock

Osumilite-(Mg)

Formula: 
KMg2Al3(Al2Si10)O30
Strunz: 
9.CM.05
Hardness: 
5.0 - 6.0
Type Locality: 
Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Wollastonite

Formula: 
CaSiO3
Strunz: 
9.DG.05
Hardness: 
4.5 - 5.0
Streak: 
White

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