Minerals identify

Know how to recognize them

Lópezite

Sulfate mineral (chromate)

Lopezite is a rare red chromate mineral with chemical formula 7. It crystallizes in the triclinic crystal system

It occurs as rare vug fillings in nitrate ores in association with tarapacáite and ulexite and is reported from the Bushveld igneous complex of South Africa Lopezite was first described in 1937 for an occurrence in Iquique Province, Chile and named after Chilean mining engineer Emiliano López Saa (1871–1959).

Most lopezite offered for sale to collectors is artificially produced. Synthetic varieties also exhibit monoclinic

Identification

Color of mineral

Orange
Red

The streak

Yellow

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Triclinic