description Olivenite Overview
Olivenite is a copper arsenate hydroxide mineral with the chemical formula Cu2AsO4OH. It commonly occurs in olive-green shades and forms in the oxidized zones of copper- and arsenic-bearing ore deposits, where it may appear as crystals or earthy aggregates. Mineral collectors value it for its color and crystal habits, while its composition makes it relevant to the study of secondary copper minerals and arsenic geochemistry.
help Olivenite FAQ
What is olivenite made of?
Olivenite is a copper arsenate hydroxide mineral with the chemical formula Cu2AsO4OH. Its composition combines copper, arsenic, oxygen, and hydrogen.
What color is olivenite?
Olivenite commonly has olive-green coloring, which is reflected in its name. It may occur as crystals or as earthy aggregates.
Where does olivenite form?
Olivenite forms in the oxidized zones of copper- and arsenic-bearing ore deposits. These near-surface zones can produce well-formed crystals as primary sulfide minerals weather.
Why do mineral collectors value olivenite?
Collectors value olivenite for its olive-green color, crystal forms, and association with copper deposits. As an arsenic-bearing mineral, it should be handled carefully and not used as a casual jewelry or household material.
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