Rhodochrosite and Pyrophyllite Physical Properties

Rhodochrosite

Pyrophyllite

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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

3.0-3.32.65-2.90

1 7.18

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

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

{001} Perfect

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

MnCO₃

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Pyrophyllite Chemical Formula

While comparing Rhodochrosite and Pyrophyllite 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 Pyrophyllite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.