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Chestermanite

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SKY896213

Chestermanite

Type Locality

Description Tabs

Description
Locality: 
Potter Pass, Lakeshore, Fresno County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 1 cm
Description

Grey green crystal aggregates of the rare Mg-Fe mineral chestermanite from the type and only locality worldwide in California.

Very rich specimen for the quantity and quality of the mineral present.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

No duplicates available

Mineral Data
What's on the rock

Chestermanite

Formula: 
Mg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2
Strunz: 
6.AB.40
Hardness: 
6.0
Type Locality: 
Unnamed Skarn occurrence [1], Lakeshore, Fresno Co., California, USA

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