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Makatite Villiaumite & Fluorite

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SYM789331

Makatite Villiaumite & Fluorite

Type Locality

Description Tabs

Description
Locality: 
Aris Quarry, Windhoek Rural, Khomas Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
14 × 2.5 × 12 cm
Description

White makatite with spheres of villiaumite crystals with white balls of fluorite. 

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

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

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic