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Aragonite & Calcite

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MBM829312

Aragonite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Christiane Mine, Adorf, Diemelsee, Kassel, Hesse, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6 × 3 cm
Largest Crystal: 
1.50cm
Description

Bird` nests are a very rare genesis in old mine areas. 

They were built by waterdrops falling on the ground and built a crater or „nest“. Small pieces of rock were the initial start up for the „eggs“. When the eggs become too big, they were fixed on the nest. Often the colour of the nest vary from the egg`s colour. Normally, the eggs have a size up to 1 cm, here the biggest egg is up to 15mm.

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

Calcite

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR