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Smolyaninovite & Mansfieldite

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PAV857608

Smolyaninovite & Mansfieldite

Classic Locality

Description Tabs

Description
Locality: 
Palhal Mine, Branca, Albergaria-a-Velha, Aveiro District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.2 × 1.5 cm
Description

Group of excellent crystals of rare mineral smolyaninovite (orange 'urchins') with white crystals of mansfieldite.

Extremely rare at the locality!

Collected: 
2003
Boxed with Label
Mineral Data
What's on the rock

Smolyaninovite

Formula: 
(Co,Ni,Mg,Ca)3(Fe3+,Al)2(AsO4)4·11H2O
Strunz: 
8.CH.55
Crystal System: 
Orthorhombic
Hardness: 
2.0
Colour: 
Yellow
Type Locality: 
Khovu-Aksy Ni-Co deposit, Tuva Republic, Eastern-Siberian Region, Russia

Mansfieldite

Formula: 
AlAsO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Type Locality: 
Hobart Butte, Black Butte District, Lane Co., Oregon, USA