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Kidwellite

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CR641882

Kidwellite

Description Tabs

Description
Locality: 
Coon Creek Mine, Shady, Polk County, Arkansas, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4.8 × 3 cm
Description

Kidwellite is a rare phosphate. This is a good and showy specimen of the species with pastel-green botryoids richly lining a vug with curved edges in rockbridgeite matrix.

 

Mineral Data
What's on the rock

Kidwellite

Formula: 
NaFe3+9(PO4)6(OH)11·3H2O
Strunz: 
8.DK.20
Hardness: 
3.0
Streak: 
yellow
Type Locality: 
Fodderstack Mountain, Norman, Montgomery Co., Arkansas, USA