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Rhodochriosite
Date Issued: 1974-06-13
Postage Value: 10 cents

Commemorative issue
Mineral heritage
Rhodochriosite

Rhodochrosite, a manganese carbonate mineral, is a minor ore of manganese used principally as a decorative stone and gemstone. It normally has shiny, rose-red, intricately banded surfaces. Rhodochrosite occurs in moderate- to low-temperature hydrothermal ore veins, particularly of silver, lead, zinc, and copper, as well as in high-temperature metamorphic deposits.

Topic: Science/Scientists (91)  

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