Coquimbite, a super-rare mineral from Chile. (Alcaparrosa mine, Sierra Gorda in Antofagasta, Chile)

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Dimensions / Volume: 15-25mm
Country of origin: Chile
Unit: piece
Price elsewhere: € 29,00

Super rare mineral from Chile. (Alcaparrosa mine, Sierra Gorda in Antofagasta, Chile)

Article number: 121580 Categories: ,

Description

The mineral coquimbite is a hydrated iron sulfate with the chemical formula Fe2(SO4)3 9 H2O. It has a trigonal-hexagonal crystal lattice and is bluish, purplish, greenish, or yellowish-white in color and transparent. Its hardness is 2.0 to 2.1. Coquimbite is named after the Chilean region of Coquimbo, where the type locality is also located.