Rhodochrosite Specimen Russian Stone Gemstone Mineral


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This is the polished pink rhodochrosite specimen. Dimensions: 2.1 x 2.0 x 1.4″ (5.4 x 5.1 x 3.6cm). Weight – 6.2oz (176 grams). Origin: Russia, Ural.

Some information about rhodochrosite:

Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3. In its (rare) pure form, it is typically a rose-red color, but impure specimens can be shades of pink to pale brown. It streaks white, and its Mohs hardness varies between 3.5 and 4. Its specific gravity is between 3.5 and 3.7.

Rhodochrosite forms a complete solid solution series with iron carbonate (siderite). Calcium, (as well as magnesium and zinc, to a limited extent) frequently substitutes for manganese in the structure, leading to lighter shades of red and pink, depending on the degree of substitution. It is for this reason that the most common color encountered is pink.

It was first described in 1813 in reference to a sample from Cavnic, present-day Romania. The name is derived from the Greek word meaning rose-colored.

Additional information

Weight 176 g