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Roscherite Ushkovite Elbaite & Eosphorite

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SER844119

Roscherite Ushkovite Elbaite & Eosphorite

Description Tabs

Description
Locality: 
Taquaral Seco Mine, Taquaral, Itinga, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.1 × 2.1 cm
Description

some rounded aggregate of brown roscherite crystals with orange ushkovite , a green elbaite crystal, not terminated and brown eosphorite

Mineral Data
What's on the rock

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

Ushkovite

Formula: 
MgFe3+2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Crystal System: 
Triclinic
Hardness: 
3.5
Type Locality: 
Pit No. 232, Bol'shoi Tatkul' Lake, Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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...

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