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Fairfieldite

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JYJ714918

Fairfieldite

EDS ver. specimen no 2019-03-31-76

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 3.5 cm
Description

A very attractive specimen with many beige platy fairfieldite (Mn dominant over Fe in EDS result) from the famous Hagendorf South pegmatite. The area of with the phosphates (rockbridgeite in dark and large crystals, apatite and fairfieldite) is quitelarge as the initial cavity was approximately 10 cm in diameter.

Specimen has the no. 2019-03-31-76 and analysis is attached to the corresponding analytical section.

Mineral Data
What's on the rock

Fairfieldite

Formula: 
Ca2(Mn2+,Fe2+)(PO4)2·2H2O
Strunz: 
8.CG.05
Hardness: 
3.5
Streak: 
White
Type Locality: 
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA
Analysis
Analysis Report - only: Fairfieldite
Analysis Report - only: Fairfieldite
Analysis Report - only: Fairfieldite