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Naujakasite

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HEF1163760

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Description
Locality: 
Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1 × 0.9 cm
Description

Naujakasite is a rare silicate mineral from the pyroxene group. It contains primarily calcium, aluminum, silicon, and oxygen. The mineral forms in metamorphic or hydrothermally altered rocks and usually occurs as small, prismatic or granular crystals. It typically exhibits pale green to gray tones and is often found in association with other calcium-aluminum silicates.
 

Mineral Data
What's on the rock

Naujakasite

Formula: 
(Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26
Strunz: 
9.EG.10
Hardness: 
2.0 - 3.0
Type Locality: 
Naujakasik (Naajakasik), Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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Start 29 Jan 18:00
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Postage Area Price
Germany : Insured parcel < 2000g 6 €
6
Germany : Insured parcel > 2000g 9 €
9
International <500g 10 €
10
International > 500g < 1000g 18€
18
USA 12€
12
Worldwide < 5000g insured parcel 50€
50

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