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Calcite

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MGR728338

Calcite

Description Tabs

Description
Locality: 
Iraí, Rio Grande do Sul, Brazil
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13.9 × 9 × 6 cm
Description

A carzy assemble of huge crystals set on a thin plate of matrix, greenish celadonite helps to give a lot of contrast to the piece. The calcite crystals are sharp terminated ad partly glossy, they grew in 2 generations, they are free-standing and grew in a ll directions. Very tri-dimensional and much better in person. Just one less prominenet crystal was broken, no other significant damages to report.

Mineral Data
What's on the rock

Calcite

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