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Kutnohorite With Aragonite

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TBM787019

Kutnohorite With Aragonite

Description Tabs

Description
Locality: 
Levane, Bucine, Arezzo Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.2 × 2.3 cm
Weight: 
71.00gr
Description

Typical Nodule opened in two parts with vag fully crystallized found in sandy clay of the Pleistocenic lacustrine deposits of Valdarno Valley.

Mineral Data
What's on the rock

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

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