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Villiaumite & Windhoekite

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HAN686349

Villiaumite & Windhoekite

Description Tabs

Description
Locality: 
Aris Quarry, Windhoek Rural, Khomas Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.51 × 1.56 × 1.5 cm
Weight: 
7.00gr
Description

Villiaumite crystal perched in a vug with yellow which could also be an intermediate member of the Tuperssuatsiaite-Windhoekite series

Mineral Data
What's on the rock

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

Windhoekite

Formula: 
Ca2Fe3+2.67[Si8O20](OH)4·10H2O
Strunz: 
9.EE.20
Hardness: 
2.0 - 0.0
Streak: 
Beige
Type Locality: 
Aris Quarries (Ariskop Quarry; Railway Quarry), Aris, Windhoek District, Khomas Region, Namibia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the return shipping