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Donpeacorite & Turneaureite

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UVM694685

Donpeacorite & Turneaureite

Type Locality

Description Tabs

Description
Locality: 
Empire State #4 Mine, Balmat, St Lawrence County, New York, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.7 × 0.8 cm
Description

A massive specimen of donpeacorite with turneaureite from the type locality for both species..   This specimen shows brownish donpeacorite with white turneaureite.   

Mineral Data
What's on the rock

Donpeacorite

Formula: 
(Mn2+,Mg)Mg[SiO3]2
Group Parent: 
Orthopyroxene Subgroup
Strunz: 
9.DA.05
Hardness: 
5.0 - 6.0
Type Locality: 
ZCA No. 4 Mine (St Joe Mine), Balmat, Balmat-Edwards Zinc District, St. Lawrence Co., New York, USA

Turneaureite

Formula: 
Ca5(AsO4)3Cl
Strunz: 
8.BN.05
Hardness: 
5.0
Streak: 
White
Type Locality: 
Långban, Filipstad, Värmland, Sweden

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