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Kentbrooksite

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PLN99880

Kentbrooksite

Description Tabs

Description
Locality: 
Umbozero Mine, Alluaiv Mountain, Lovozero, Murmansk Oblast, Russian Federation
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.5 × 4.5 × 1.3 cm
Description

Grains and crystals of kentbrooksite 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
geo trader

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions
You can buy a lot specimens. I will give you a great combined shipping discount ! I combine the auctions. All packages are priority (7 days)