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Pigeonite Augite & Titanite

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CLB130244

Pigeonite Augite & Titanite

from an unknown, closed museum in Palatinate

Description Tabs

Description
Locality: 
Cedar Butte, Tillamook County, Oregon, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.8 × 2.2 cm
Description

Pigeonite with augite crystals from the not yet well explored locality in Oregon. Green titanite micro crystals.

Mineral Data
What's on the rock

Pigeonite

Formula: 
(Mg,Fe2+,Ca)(Mg,Fe2+)Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.10
Hardness: 
6.0
Type Locality: 
Pigeon Point, Cook Co., Minnesota, USA

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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

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