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Tsepinite-Na & Nenadkevichite

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SYM1071098

Tsepinite-Na & Nenadkevichite

Rare Mineral

Description Tabs

Description
Locality: 
Aris Quarry, Windhoek Rural, Khomas Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

Nice specimen of tsepinite-na centering nenadkevichite crystals on the matrix. 

Mineral Data
What's on the rock

Tsepinite-Na

Formula: 
Na2(Ti,Nb)2(Si4O12)(OH,O)2·3H2O
Strunz: 
9.CE.30b
Hardness: 
0.0
Type Locality: 
Khibinpakhkchorr Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Nenadkevichite

Formula: 
(Na,◻)8Nb4(Si4O12)2(O,OH)4·
Strunz: 
9.CE.30a
Hardness: 
5.0
Type Locality: 
Natrolite Stock (Pegmatite No. 61), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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Start 13 Mar 18:00
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Shipping Information

Postage Area Price
US
$15
Rest of World
$20
Canada
$15

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