Rhodolite and Cordierite Physical Properties

Rhodolite

Cordierite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.57-2.66

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

none, may show indistinct parting

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Mg2Al4Si5O18

Rhodolite and Cordierite Chemical Formula

While comparing Rhodolite and Cordierite 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 Cordierite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Cordierite- Mg2Al4Si5O18

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Rhodolite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.