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Vivianite With Siderite

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TBM1038503

Vivianite With Siderite

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Description Tabs

Description
Locality: 
Cabeça do Cachorro Claim, São Gabriel da Cachoeira, Amazonas, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Museum (18cm plus)
Size: 
10 × 18 × 5 cm
Largest Crystal: 
15.00cm
Weight: 
915.00gr
Description

Incredible and big cluster of blue green watercolor Vivianite crystals up to 150 mm on Siderite matrix

Mineral Data
What's on the rock

Vivianite

Formula: 
Fe2+3(PO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Type Locality: 
Wheal Kind (Wheal Kine), West Wheal Kitty group, St Agnes, St Agnes District, Cornwall, England, UK

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White