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Aragonite With Pyrolusite Inclusions

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KSC674122

Aragonite With Pyrolusite Inclusions

Classic Locality

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.5 × 2 cm
Description

Very uncommon specimen of botryoidal aragonite with a covering I'm told is pyrolusite. The piece has a surface similar to charcoal and looks artificial, with two perfect spheres on top of display. There are contact faces, but the main aggregates are undamaged. Displays great on its own base.

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

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5

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