Rhodochrosite and Adamite Physical Properties

Rhodochrosite

Adamite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

4.32-4.48

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

{101}, good; {010}, poor

1.7 Mohs Hardness

3.5-4

3.5

1.8 Chemical Composition

MnCO₃

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Rhodochrosite and Adamite Chemical Formula

While comparing Rhodochrosite and Adamite 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 Adamite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Rhodochrosite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.