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Honessite & Millerite

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BCK607364

Honessite & Millerite

Classic Locality

Description Tabs

Description
Locality: 
Halls Gap, Lincoln County, Kentucky, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.2 × 2.2 cm
Description

You are bidding on a small geode from Hall's Gap with is partially opened to reveal a large mass of millerite hairs, some having small green sprays of honessite crystals. Rich and very aesthetic piece from this locality. 

Mineral Data
What's on the rock

Honessite

Formula: 
(Ni1-xFe3+x)(OH)2[SO4]x/2·nH2O
Strunz: 
7.DD.35
Crystal System: 
Trigonal
Hardness: 
1.0 - 1.5
Colour: 
Yellow
Type Locality: 
Linden, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA

Millerite

Formula: 
NiS
Strunz: 
2.CC.20
Crystal System: 
Trigonal
Hardness: 
3.0 - 3.5
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Seller Information

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