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Titanite & Prehnite

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PAV918805

Titanite & Prehnite

Classic Locality

Description Tabs

Description
Locality: 
Monte de São Bartolomeu, Nazaré, Leiria District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.1 × 1.2 cm
Description

A nice sample from this little-known locality in Portugal.

Orange titanite associated to fan-like prehnite.

Collected: 
2004
Boxed with Label
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

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa