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Kentbrooksite

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UGO546741

Kentbrooksite

Rare Mineral

Description Tabs

Description
Locality: 
Pocos de Caldas, Minas Gerais, Brazil
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
0.5 × 1 × 0.5 cm
Description

brown red crystals in matrix

Mineral Data
What's on the rock

Kentbrooksite

Formula: 
(Na,REE)15(Ca,REE)6(Mn2+,Fe2+)3Zr3Nb[Si25O74]F2·2H2O
Strunz: 
9.CO.10
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0
Streak: 
White.
Type Locality: 
Kentbrooksite occurrence, Amdrup Firth, Kangerlussuaq Firth, Tunu Province (East Greenland), Greenland

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

for payment only paypal

We accept payment in euro

the item not paid within 30 days will be put on auction

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