Rhodochrosite

Name:
Rhodochrosite
Detailed information:
MnCO₃ with partial replacement by iron, calcium, magnesium, zinc.

Properties:

Light-pink, rose-red, brownish-red, or brown mineral; white streak; vitreous to pearly luster; photoluminescent. Found in veins with ores of silver, lead, copper manganese. D 3.3–3.6, Mohs hardness 3–4.

Occurrence:

U.S. (Connecticut, New Jersey, Colorado, Montana, Nevada), Europe.

Use:

Manganese ore.