Lopezite is a rare red chromate mineral with chemical formula: K 2 Cr 2 O 7.It crystallizes in the triclinic crystal system.. It occurs as rare vug fillings in nitrate ores in association with tarapacáite (K 2 CrO 4), dietzeite and ulexite in the Chilean Atacama and is reported from the Bushveld igneous complex of South Africa. Lopezite was first described in 1937 for an occurrence in Iquique ...
Note: Most commercially available 'lópezite' is, in fact, synthetic K^2Cr^2O^7.
Lopezite definition is - a mineral K2Cr2O7 consisting of a dichromate of potassium and found in the nitrate deposits of Chile.
Lopezite contains potassium, chromium, and oxygen. Chromium is a shiny, hard and brittle metal. It has a glassy feel to it, has a hardness of 2 1/2 and can contain light yellow streaks. Most lopezite offered for sale to collectors is artificially produced. Synthetic varieties also exhibit monoclinic crystals.
lopezite definition: Noun (uncountable) 1. (mineralogy) A rare red triclinic chromate mineral.Origin López + -ite, after Chilean mining engineer Emiliano López Saa (1871-1959)....
Definition of lopezite in the Definitions.net dictionary. Meaning of lopezite. What does lopezite mean? Information and translations of lopezite in the most comprehensive dictionary definitions resource on the web.
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