Domeykite

Domeykite is a mineral, an arsenide of copper, Cu₃As. It crystallizes in the isometric system, although crystals are very rare. It typically forms as irregular masses or botryoidal forms. It is an opaque, white to gray metallic mineral with a Mohs hardness of 3 to 3.5 and a specific gravity of 7.2 to 8.1.

Additional recommended knowledge

What is the Correct Way to Check Repeatability in Balances?

Daily Sensitivity Test

Recognize and detect the effects of electrostatic charges on your balance

It was first described in 1845 in the Algodones mines, Coquimbo, Chile. It was named for mineralogist Ignacio Domeyko (1802-89).

See also

• List of minerals
• List of minerals named after people

References

• Mindat with location data
• Webmineral
• Mineral galleries