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Sazhinite-(Ce) Tuperssuatsiaite & Natrolite

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RSL612771

Sazhinite-(Ce) Tuperssuatsiaite & Natrolite

Description Tabs

Description
Locality: 
Aris Quarry, Windhoek Rural, Khomas Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.4 × 2.5 cm
Largest Crystal: 
0.30cm
Description

Three well-formed tabular to prismatic white crystals of sazhinite-(Ce,La) from the classic Aris phonolite. Two of them very visible (3 mm) and the third in small vug. Accompanied by idiomorphic brilliant and transparent natrolite crystals and yellowish fibrous tuperssuatsiaite. From this classic REE locality. 

Collected: 
2012
Mineral Data
What's on the rock

Sazhinite-(Ce)

Formula: 
Na3Ce[Si6O15]·6H2O
Strunz: 
9.EA.30
Hardness: 
2.5
Type Locality: 
Yubileinaya pegmatite (Yubileinoye; Jubilejnaja), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Tuperssuatsiaite

Formula: 
Na2Fe3Si8O20(OH)2·4H2O
Strunz: 
9.EE.20
Hardness: 
0.0
Type Locality: 
Tuperssuatsiat Bay, Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany