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Whiteite Natrodufrénite & Hureaulite

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SER823093

Whiteite Natrodufrénite & Hureaulite

Description Tabs

Description
Locality: 
Eduardo Claim, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.6 × 1.5 cm
Description

rare combination of light yellow tufts of whiteite, dark green balls of natrodufrenite and several platy pink hureaulite crystals

Mineral Data
What's on the rock

Whiteite

Synonym Of: 

Whiteite-(CaFeMg)

Formula: 
{Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Whiteite-(CaMnMg)

Formula: 
{Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
3.5

Whiteite-(MnFeMg)

Formula: 
{(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Natrodufrénite

Formula: 
NaFe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5
Type Locality: 
Pluherlin Castle, Rochefort-en-Terre, Morbihan, Brittany, France

Hureaulite

Formula: 
(Mn,Fe)5(PO4)2(HPO4)2·4H2O
Strunz: 
8.CB.10
Hardness: 
5.0
Type Locality: 
Les Hureaux, Saint-Sylvestre, Haute-Vienne, Limousin, France