Star Sapphire and Strontianite Physical Properties

Star Sapphire

Strontianite

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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

3.90-4.053.63-3.79

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

{110} Good

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Star Sapphire and Strontianite Chemical Formula

While comparing Star Sapphire and Strontianite 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 Strontianite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Compare Blue Gemstones

Star Sapphire Vs Verdite

Star Sapphire Vs Tortoiseshell

Star Sapphire Vs Tourmaline

Star Sapphire and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.