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Cyrilovite & Autunite & Laueite

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CHP1108266

Description Tabs

Description
Locality: 
Eduardo Claim, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.1 × 2 cm
Description

specimen with beauitiful many aggregates of yellow crystals of cyrilovite with associate a fantastic greenish yellow tabular crystal of autunite with associate a very good striped orange crystal of laueite on matrix.

c. 9993

Mineral Data
What's on the rock

Cyrilovite

Formula: 
NaFe3+3(PO4)2(OH)4·2H2O
Strunz: 
8.DL.10
Crystal System: 
Tetragonal
Hardness: 
4.0
Streak: 
Yellow
Type Locality: 
Cyrilov phosphate pegmatite (Cyrillhof), Velké Meziříčí, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic

Autunite

Formula: 
Ca(UO2)2(PO4)2·11H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Saint-Symphorien-de-Marmagne, Montcenis, Saône-et-Loire, Burgundy, France

Laueite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Hardness: 
3.0
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

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