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Phlogopite & Titanite

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PAV930802

Phlogopite & Titanite

Classic Locality

Description Tabs

Description
Locality: 
Ribeira Grande, São Miguel, Azores District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1 × 1.2 cm
Description

A rare sample of phlogopite from this classic locality. Titanite is also present as golden yellow gemmy crystals.

Collected: 
2014
Boxed with Label
Mineral Data
What's on the rock

Phlogopite

Formula: 
KMg3(AlSi3O10)(OH,F)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 3.0
Streak: 
White

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