Rhodochrosite and Phenakite Physical Properties

Rhodochrosite

Phenakite

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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

2.90-2.98

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

1.6 Cleavage

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

Distinct on {11 2 0}, imperfect on {10 1 1}

1.7 Mohs Hardness

3.5-4

7.5-8

1.8 Chemical Composition

MnCO₃

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Phenakite Chemical Formula

While comparing Rhodochrosite and Phenakite 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 Phenakite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.