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Joanneumite

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SKY717968

Joanneumite

Type Locality

Description Tabs

Description
Locality: 
Pabellon de Pica, Chanabaya, Iquique Province, Tarapacá Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2.5 × 2 cm
Description

Dark violet crystal aggregates of the relatively new mineral joannneumite described in Chile (IMA 2012-001).

The mineral is a chemical oddity because is a mixture of two organic compounds (ammine-cianurate) and an inorganic compound (copper).

It is the first organometallic mineral in Nature !.

Only one locality known worldwide, of course the type locality !!. Associated mineral is pale blue greenish salammoniac, on grandodiorite matrix.

Mineral Data
What's on the rock

Joanneumite

Formula: 
Cu(C3N3O3H2)2(NH3)2
Hardness: 
0.0
Type Locality: 
Pabellón de Pica, Chanabaya, Iquique Province, Tarapacá Region, Chile

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