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Makatite Tuperssuatsiaite Villiaumite & Aegirine

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MEX510262

Makatite Tuperssuatsiaite Villiaumite & Aegirine

ex Ralf Wartha, Windhoek stock

Description Tabs

Description
Locality: 
Aris Quarry, Windhoek Rural, Khomas Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3 × 1.5 cm
Description

This specimen carry a translucent group of makatite crystals, here and there you can see crystal bases. The paragenesis is rich an additional minerals. The white groups in the bottom of the vug is ellingsenite.

Mineral Data
What's on the rock

Makatite

Formula: 
Na2Si4O8(OH)2·4H2O
Strunz: 
9.EE.45
Crystal System: 
Monoclinic
Hardness: 
0.0
Colour: 
white
Type Locality: 
Lake Magadi, South Rift Valley, Rift Valley Province, Kenya

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

Villiaumite

Formula: 
NaF
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea

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