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Star Sapphire
Star Sapphire

Friedelite
Friedelite



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Star Sapphire
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Friedelite

Star Sapphire and Friedelite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.053.06-3.19
Amber
1 7.18
1.5 Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
1.6 Cleavage
Not Available
{010} Perfect
1.7 Mohs Hardness
Not Available4-5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Star Sapphire and Friedelite Chemical Formula

While comparing Star Sapphire and Friedelite 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 Friedelite chemical formula.

  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
  • Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Star Sapphire and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.