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Fassinaite & Steverustite

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BCK750324

Fassinaite & Steverustite

Rare Mineral

Description Tabs

Description
Locality: 
Redmond Mine, Waterville Lake, Haywood County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.3 × 1.9 cm
Description

You are bidding on a small sample with rich, small fassinaite crystals with areas of fibrous steverustite. Only the second US locality for fassinaite and a rare example of two thiosulfates on one sample! Analyzed find. 

Mineral Data
What's on the rock

Fassinaite

Formula: 
Pb2(S2O3)(CO3)
Hardness: 
1.5 - 2.0
Streak: 
White
Type Locality: 
Trentini Mine (Beata Maria Vergine Mine), Contrada Trentini, Torrebelvicino, Vicenza Province, Veneto, Italy

Steverustite

Formula: 
Cu+Pb2+5(S2O3)3(OH)5·2H2O
Strunz: 
7.JA.10
Hardness: 
0.0
Type Locality: 
Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion (Dyfed; Cardiganshire), Wales, UK

Seller Information

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