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Kayrobertsonite & Kastningite

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BCK883195

Kayrobertsonite & Kastningite

Type Locality

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 3.2 × 2 cm
Description

You are bidding on a large miniature sample with very rich, white radial sprays of kayrobertsonite on matrix with small blades of kastningite and tabular crystals of mangangordonite. From the original find of the mineral I made in 2014. 

Mineral Data
What's on the rock

Kayrobertsonite

Formula: 
[MnAl2(PO4)2(OH)2(H2O)4]·2H2O
Crystal System: 
Triclinic
Type Locality: 
Hagendorf South Pegmatite, Bavaria, Germany Or Foote Mine, Cleveland County, North Carolina, USA...

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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