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Polymignite

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JYJ70160

Polymignite

Description Tabs

Description
Locality: 
Krufter Ofen, Kruft, Mayen-Koblenz, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 1.2 × 1 cm
Description

This specimen shows brown needles of polymignite (a variety of zirconolite) from Krufter Ofen, Eifel Mountains.

Mineral Data
What's on the rock

Polymignite

Variety Of: 

Zirconolite

Formula: 
CaZrTi2O7
Strunz: 
4.DH.30
Hardness: 
5.5
Formula: 
(Ca,Fe,Y,Th)(Nb,Ti,Ta,Zr)O4
Crystal System: 
Orthorhombic
Hardness: 
0.0