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Wöhlerite Titanite & Pyroxene Group

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ZLT137551

Wöhlerite Titanite & Pyroxene Group

Description Tabs

Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2 × 1.3 cm
Description

Fractinj of a sanidinite ejection block showing a interesting group of crystals (~0.5 mm) wth tabular wöhlerite, prismatic titanite and black pyroxen crystals.

Mineral Data
What's on the rock

Wöhlerite

Formula: 
NaCa2(Zr,Nb)(Si2O7)(O,OH,F)2
Strunz: 
9.BE.17
Hardness: 
5.5 - 6.0
Type Locality: 
Løvøya (Løvø; Lövö; Lövöe), Langesundsfjorden, Porsgrunn, Telemark, Norway

Titanite

Formula: 
CaTi(SiO4)O
Strunz: 
9.AG.15
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Titanite occurrence, Hauzenberg, Lower Bavaria, Bavaria, Germany

Pyroxene Group

Group Members: 
Clinopyroxene Subgroup
Orthopyroxene Subgroup

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