Star Sapphire and Antigorite Physical Properties

Star Sapphire

Antigorite

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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

3.90-4.052.58-2.80

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

{001} Good

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Star Sapphire and Antigorite Chemical Formula

While comparing Star Sapphire and Antigorite 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 Antigorite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Star Sapphire and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.