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Eudialyte Calcite Natrolite Aegirine & Sphalerite

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HAN614783

Eudialyte Calcite Natrolite Aegirine & Sphalerite

Type Locality

Description Tabs

Description
Locality: 
Kangerluarsuk Fjord, Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.22 × 4.7 × 2.1 cm
Description

Red Eudialyte with calcite FL - Red (UV-SW) and analcime - FL Whitish blue (UV-SW) - black aegerine and sphalerite with an uranyl activated green mineral (UV-SW)

Mineral Data
What's on the rock

Eudialyte

Formula: 
Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Natrolite

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

Aegirine

Formula: 
NaFe3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Rundemyr, Øvre Eiker, Buskerud, Norway

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

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