Fluorite and Star Sapphire Physical Properties

Fluorite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.90-4.05

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Not Available

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

Not Available

1.7 Mohs Hardness

4Not Available

2 10

1.8 Chemical Composition

CaF₂

Al 2O 3Ulrich Henn and Claudio C.

Fluorite and Star Sapphire Chemical Formula

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

Chemical formula of Fluorite- CaF₂
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Fluorite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.