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Star Ruby
Star Ruby

Lazulite
Lazulite



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Star Ruby
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Lazulite

Star Ruby and Lazulite 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
3.95-4.103.04-3.17
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Not Available
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
Not Available5.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Star Ruby and Lazulite Chemical Formula

While comparing Star Ruby and Lazulite 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 Lazulite chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Star Ruby and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.