Rosasite and Cordierite Physical Properties

Rosasite

Cordierite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.57-2.66

1 7.18

1.5 Fracture

Splintery

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on {100} and {010}

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

1.7 Mohs Hardness

47-7.5

2 10

1.8 Chemical Composition

Not Available

Mg2Al4Si5O18

Rosasite and Cordierite Chemical Formula

While comparing Rosasite 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 Rosasite and Cordierite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Rosasite and Cordierite Specific Gravity

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