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Zanazziite & Quartz

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SER120339

Zanazziite & Quartz

Description Tabs

Description
Locality: 
Piauí Valley, Taquaral, Itinga, Minas Gerais, Brazil
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 7.1 × 4.9 cm
Description

a large group of quarz crystals covered by yellow-green zanazziite crystals; there are also some tiny blue spots but I don't think they are minerals; could be paint

Mineral Data
What's on the rock

Zanazziite

Formula: 
Ca2Mg5Be4(PO4)6(OH)4·6H2O
Strunz: 
8.DA.10
Crystal System: 
Monoclinic
Hardness: 
5.0
Streak: 
White
Type Locality: 
Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Brazil

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White