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Gillulyite

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Gillulyite

Type Locality

Description Tabs

Description
Locality: 
Lulu Cut, South Mercur Pit, Tooele County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Description

Red wine crystals of the very rare thallium mineral gillulyite from the type and only known locality worldwide in Mercur Mining District and associated to orpiment.

This material was discovered in 1991, and has never been found in any other locality.

Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium.

Rich specimen !

 

Mineral Data
What's on the rock

Gillulyite

Formula: 
Tl2(As,Sb)8S13
Strunz: 
2.JC.10
Hardness: 
2.0 - 2.5
Type Locality: 
Lulu cut, South Mercur Pit, Mercur District (Camp Floyd District), Oquirrh Mts, Tooele Co., Utah, USA

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