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Kastningite

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BCK634074

Kastningite

Rare Mineral

Description Tabs

Description
Locality: 
Estes Quarry, Baldwin, Cumberland County, Maine, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1 × 0.8 cm
Description

You are bidding on a small sample with two small vugs hosting blades of colorless kastningite on siderite. Extremely rare from this locality! EDS/PXRD verified. 

Mineral Data
What's on the rock

Kastningite

Formula: 
(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Crystal System: 
Triclinic
Hardness: 
1.0 - 2.0
Streak: 
White
Type Locality: 
Silbergrube, Waidhaus, Upper Palatinate, Bavaria, Germany

Seller Information

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