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Valentinite Stibnite Kermesite & Antimony

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BCK737300

Valentinite Stibnite Kermesite & Antimony

Kay Robertson collection
Rare Mineral

Description Tabs

Description
Locality: 
Lac Nicolet Mine, Saints-Martyrs-Canadiens, Centre-du-Québec, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.6 × 1.2 cm
Description

You are bidding on a small miniature sample with two vugs in native antimony hosting carpets of black stibnite needles on which have grown sharp, lustrous striated valentinite crystals and minor red needles of kermesite. This is an exceptional sample from the locality from the Kay Robertson collection. Comes with her label. 

Mineral Data
What's on the rock

Valentinite

Formula: 
Sb2O3
Strunz: 
4.CB.55
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Les Chalanches Mine, Allemont, Isère, Rhône-Alpes, France

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey

Kermesite

Formula: 
Sb2S2O
Strunz: 
2.FD.05
Crystal System: 
Monoclinic
Hardness: 
1.0 - 1.5
Colour: 
Red
Type Locality: 
Neue Hoffnung Gottes Mine, Bräunsdorf, Freiberg District, Erzgebirge, Saxony, Germany

Antimony

Formula: 
Sb
Strunz: 
1.CA.05
Crystal System: 
Trigonal
Hardness: 
3.0 - 3.5
Colour: 
Tin-white
Streak: 
Grey
Type Locality: 
Sala Silver Mine, Sala, Västmanland, Sweden

Seller Information

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