Star Sapphire and Magnesite Physical Properties

Star Sapphire

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.052.92-3.12

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[10 1 1] perfect

1.7 Mohs Hardness

Not Available3.5-4.5

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Star Sapphire and Magnesite Chemical Formula

While comparing Star Sapphire and Magnesite 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 Star Sapphire and Magnesite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Star Sapphire and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.