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Star Ruby
Star Ruby

Friedelite
Friedelite



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Star Ruby
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Friedelite

Star Ruby 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
3.95-4.103.06-3.19
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
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 3Michael O’Donoghue , Gems, Sixth Edition (2006)
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Star Ruby and Friedelite Chemical Formula

While comparing Star Ruby 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 Ruby and Friedelite chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Star Ruby and Friedelite Specific Gravity

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