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Stanfieldite

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Stanfieldite

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Description
Locality: 
Estherville Meteorite, Emmet County, Iowa, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.4 × 0.2 cm
Description

A rare Phosphate from a Meteorite. Formed 4.4 Billion years ago in the Solar nebular as honey-brownish glassy well formed crystals of 1,5 mm, with some greenish-grey Enstatite crystals, in Mesosiderite matrix.

 

Mineral Data
What's on the rock

Stanfieldite

Formula: 
Ca7Ca2Mg9(PO4)12
Strunz: 
8.AC.70
Hardness: 
4.0 - 5.0
Type Locality: 
Estherville meteorite, Emmet Co., Iowa, USA