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Specularite Var Iridescent With Eisenkiesel Quartz

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PCZ222378

Specularite Var Iridescent With Eisenkiesel Quartz

Description Tabs

Description
Locality: 
Florence Mine, Haile, Cumbria, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4 × 3 cm
Description

A very good coverage of blood-red quartz crystals with rare iridescent specularite blades on hematite matrix. An infrequently seen association. The colour of the quartz is caused by inclusions of hematite. The iridescence of the specularite covers a great range of colours. This is a nice reflective specimen, much better than the images suggest.

Mineral Data
What's on the rock

Specularite

Variety Of: 

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Hardness: 
5.0 - 6.0
Colour: 
Silvery

Eisenkiesel

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Peter Crozier Minerals