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Wilancookite

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SKY552463

Wilancookite

Type Locality

Description Tabs

Description
Locality: 
Ponte do Piauí Claim, Piauí Valley, Taquaral, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.3 × 0.2 × 0.1 cm
Description

Perfect tiny cubes and dodecahedrons of the extremely rare new mineral wilancookite (IMA 2015-034) from the type and only known locality worldwide, on a two very small pieces of matrix, the biggest about 3 mm (both pieces shown in the last photo)

 

 

Mineral Data
What's on the rock

Wilancookite

Formula: 
(Ba,K,Na)8(Ba,Li,□)6Be24P24O96·32H2O
Crystal System: 
Isometric

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