Rhodolite and Pyrophyllite Physical Properties

Rhodolite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.65-2.90

1 7.18

1.5 Fracture

Conchoidal

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

none, may show indistinct parting

{001} Perfect

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Pyrophyllite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Pyrophyllite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodolite and Pyrophyllite Specific Gravity

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