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Wilancookite

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JYJ621232

Wilancookite

Description Tabs

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

Rare wilancookite crsytals on moraesite. Type and only locality. 

 

References: Menezes Filho, L.A.D., Hatert, F., Philippo, S., Ottolini, L., Dal Bo, F., Scholz, R., Chaves, M.L.S.C., Yang, H. and Downs, R.T. (2015) Wilancookite, IMA 2015-034. CNMNC Newsletter No. 27, October 2015, page 1228; Mineralogical Magazine, 79, 1229–1236.

Mineral Data
What's on the rock

Wilancookite

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