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Titanite Var Yttrian Titanite

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PDM647788

Titanite Var Yttrian Titanite

Classic Locality

Description Tabs

Description
Locality: 
Arendal, Agder, Norway
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 2.2 × 1.1 cm
Description

Tabular brown crystal of “keilhaueite”, an yttrium-rich variety of titanite. Remarkably big for the locality.

Acquired in 1948, the specimen is from the museum of Georges Vanacker* (BE), with label, specimen #555.

*Vanackerite (from Tsumeb) is named after him.

Mineral Data
What's on the rock

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

Yttrian Titanite

Variety Of: 

Titanite

Formula: 
CaTi(SiO4)O
Strunz: 
9.AG.15
Hardness: 
5.0 - 5.5
Formula: 
(Ca,Y)TiSiO5
Hardness: 
0.0

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