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Aragonite With Kutnohorite

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PCZ204773

Aragonite With Kutnohorite

Description Tabs

Description
Locality: 
Santa Barbara Mine, Cavriglia, Valdarno, Arezzo Province, Tuscany, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.8 × 1.6 cm
Description

Hi All, this auction is part of a series of ‘Clear-out Minerals’ Clear-out auctions. This specimen and the majority of others on offer this have a starting price 50% or more lower than in all previous auctions. Happy bidding. A beautiful half geode with amazing needle like crystals of aragonite and brown-grey spheres of kutnohorite. Barbara Mine, Tuscany. This little specimen has great aesthetics.

Mineral Data
What's on the rock

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

Kutnohorite

Formula: 
Ca(Mn,Mg,Fe)(CO3)2
Strunz: 
5.AB.10
Hardness: 
3.5 - 4.0
Type Locality: 
Poličany, Kutná Hora (Kuttenberg), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Peter Crozier Minerals