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Calcite On Ferruginous Quartz

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PCZ727711

Calcite On Ferruginous Quartz

Description Tabs

Description
Locality: 
Geevor Mine, Cornwall, United Kingdom
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.7 × 4.5 cm
Description

Large pyrimidal, ferrunginous, terminated quartz crystals cover the display face are topping these are beautiful little flat hexagonal calcite crystals in an attractive arrangement. A very nice and interesting display. 

Minor: 
Chlorite
Condition
General: 
Good - locality specimen
Main Display: 
Good - see description
Lustre: 
Medium
Mineral Data
What's on the rock

Calcite

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

Ferruginous Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
0.0
Peter Crozier Minerals