Witherite and Star Sapphire Physical Properties

Witherite

Star Sapphire

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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

4.27-4.353.90-4.05

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Not Available

1.6 Cleavage

{010} Distinct

Not Available

1.7 Mohs Hardness

3-3.5Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Witherite and Star Sapphire Chemical Formula

While comparing Witherite 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 Witherite and Star Sapphire chemical formula.

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

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Witherite and Star Sapphire Specific Gravity

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