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Wardite Elbaite Roscherite & Eosphorite

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BCK658444

Wardite Elbaite Roscherite & Eosphorite

Kay Robertson collection
Classic Locality

Description Tabs

Description
Locality: 
Pirineus Claim, Monte Belo, Itinga, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 0.8 × 1 cm
Description

You are bidding on a small sample with a greenish blue elbaite crystal hosting pseudo-octahedral wardite crystals, brown clusters of roscherite crystals and a few prisms of eosphorite. Kay Robertson collection and label. 

Mineral Data
What's on the rock

Wardite

Formula: 
NaAl3(PO4)2(OH)4·2H2O
Strunz: 
8.DL.10
Hardness: 
5.0
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...

Roscherite

Formula: 
Ca2Mn2+5Be4(PO4)6(OH)4·6H2O
Strunz: 
8.DA.10
Crystal System: 
Monoclinic Tabular crystals or platy aggregates
Hardness: 
4.5 - 0.0
Streak: 
White
Type Locality: 
Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Eosphorite

Formula: 
(Mn2+,Fe2+)Al(PO4)(OH)2·H2O
Strunz: 
8.DD.20
Crystal System: 
Orthorhombic
Hardness: 
5.0
Streak: 
White
Type Locality: 
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA

Seller Information

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