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Pyroxmangite & Tephroite

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RFJ912660

Pyroxmangite & Tephroite

Classic Locality

Description Tabs

Description
Locality: 
Taguchi Mine, Shidara-cho, Kita-Shidara-gun, Aichi Prefecture, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 3.2 × 3.2 cm
Description

This is a very interesting specimen because attractive pink Pyroxmangite together with brown Tephroite,the top of the specimen is covert with a white layer of what looks to be pegmatite (Quartz/Feldspar) with a black flat crystal,very likely Wolframite.It is known that near the deposit are pegmatites.It is very rare to get such a sample.

Mineral Data
What's on the rock

Pyroxmangite

Formula: 
MnSiO3
Strunz: 
9.DO.05
Hardness: 
5.5 - 6.0

Tephroite

Formula: 
Mn2+2SiO4
Strunz: 
9.AC.05
Crystal System: 
Orthorhombic Forms short prismatic crystals.
Hardness: 
6.0
Streak: 
Pale gray
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Seller Information

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