Rhodochrosite and Sunstone Physical Properties

Rhodochrosite

Sunstone

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

2.62-2.65

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Gemstones of the world (2001)

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

001

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Rhodochrosite and Sunstone Chemical Formula

While comparing Rhodochrosite and Sunstone physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Rhodochrosite and Sunstone chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Rhodochrosite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.