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Sand-Calcite

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PDM673264

Sand-Calcite

Description Tabs

Description
Locality: 
Bellecroix, Fontainebleau, Seine-et-Marne, Ile-de-France, France
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 5.6 × 4 cm
Description

French Super Classic are these quartz-sand included groups of calcite from Fontainebleau. The specimen is a floater and it is composed of two types of nodules: the “classic” spiky nodule of rhombohedral calcite crystals that grew on an spheroidal silicified concretion known as “Gogotte”. This combination is uncommon.

Ex. Pierre Laurent specimen.

Mineral Data
What's on the rock

Sand-Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Hardness: 
0.0

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