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Rock Crystal
Rock Crystal

Lazulite
Lazulite



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Rock Crystal
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Lazulite

Rock Crystal 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
2.653.04-3.17
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Not Available
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
75.5
Amber
2 10
1.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Rock Crystal and Lazulite Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Lazulite chemical formula.

  • Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Rock Crystal and Lazulite Specific Gravity

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