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Arrojadite-(KFe)

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SHS712339

Arrojadite-(KFe)

Description Tabs

Description
Locality: 
Keystone, Pennington County, South Dakota, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.3 × 1.5 cm
Description

Nice arrojadite kfe on matrix

Mineral Data
What's on the rock

Arrojadite-(KFe)

Formula: 
{KNa}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2
Strunz: 
8.BF.05
Crystal System: 
Monoclinic
Hardness: 
5.0
Type Locality: 
Nickel Plate Mine, Keystone, Keystone District, Pennington Co., South Dakota, USA