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Guimarãesite & Eosphorite

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ADX653063

Guimarãesite & Eosphorite

Type Locality

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Description
Locality: 
Taquaral, Itinga, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3.4 × 1.4 cm
Description

many spherical aggregates of yellowish micro crystals of guimaraesite associated with eosphorite crystals to 1 cm

Mineral Data
What's on the rock

Guimarãesite

Formula: 
Ca2(Zn,Mg,Fe2+)5Be4(PO4)6(OH)4·6H2O
Strunz: 
8.DA.10
Hardness: 
0.0
Type Locality: 
Guimarãesite occurrence, Piauí valley, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Brazil

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
Davide Zaccaria

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

As a mineral collector, I consider the quality of specimens and the customer service very very important, so if for every reason you have a problem with the transaction, please let me know as soon as possible. If  your specimen is damaged upon delivery, send me some photos of the minerals, possibly within 1 week, and I'll refund the cost of the damaged items.

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