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Zirconolite-3O & Hercynite

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JYJ631149

Zirconolite-3O & Hercynite

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.7 × 0.4 cm
Description

Black zirconolite-3o associated with striated dark hercynite crystals. 

Mineral Data
What's on the rock

Zirconolite-3O

Crystal System: 
Orthorhombic
Colour: 
Black
Polytype Of: 

Zirconolite

Formula: 
CaZrTi2O7
Strunz: 
4.DH.30
Hardness: 
5.5

Hercynite

Formula: 
Fe2+Al2O4
Strunz: 
4.BB.05
Hardness: 
7.5
Type Locality: 
Poběžovice (Ronsperg; Ronsberg; Ronsperk), Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic