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Quartz Var Eisenkiesel With Calcite & Specularite

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PCZ201356

Quartz Var Eisenkiesel With Calcite & Specularite

Description Tabs

Description
Locality: 
Gill Brow Mine, Egremont, Cumbria, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2 cm
Description

Sharp, glassy 'eisenkiesel' quartz crystals with small white calcite and specularite. The matix shows a little botryoidal hematite on massive 'blue' haematite. An interesting specimen and nice to explore with magnification. From the GB4 Pit in one of the earliest deep shaft workings in the Lindal Moor area now a working aggregate depot with no access.

Mineral Data
What's on the rock

Quartz

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

Eisenkiesel

Variety Of: 

Quartz

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Specularite

Variety Of: 

Hematite

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