Rhodochrosite and Dioptase Physical Properties

Rhodochrosite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

3.25-3.35

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

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

Perfect in three directions

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Dioptase Chemical Formula

While comparing Rhodochrosite and Dioptase 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 Dioptase chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.