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Gold Sylvanite & Nagyágite

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SCH59872

Gold Sylvanite & Nagyágite

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Description
Locality: 
Emperor Mine, Viti Levu, Fiji
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 3 × 1.9 cm
Description

A flat matrix is covered by microcrystalline quartz and festooned with orthorhombic  nagyágite crystals, very fine hoppered sylvanite crystals, covered most of them by a crust of native gold, and superb freestanding crystals of native gold, including some extremely rare wires and loopings.

Rich specimen, lots of photos avalaible.

Highly desirable this is a wonderful specimen!

Mineral Data
What's on the rock

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Sylvanite

Formula: 
(Au,Ag)2Te4
Strunz: 
2.EA.05
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Type Locality: 
Baia de Arieş (Offenbánya), Alba Co., Romania

Nagyágite

Formula: 
Pb5Au(Te,Sb)4S5-8
Strunz: 
2.HB.20a
Crystal System: 
Tetragonal
Hardness: 
1.0 - 1.5
Type Locality: 
Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Deva, Hunedoara Co., Romania
schani

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