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Lazulite
Lazulite

Boulder Opal
Boulder Opal



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Lazulite
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Boulder Opal

Lazulite and Boulder Opal 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
3.04-3.171.98-2.25
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{001} Indistinct, {???} Indistinct
Not Available
1.7 Mohs Hardness
5.55-6.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
SiO 2 + H 2OUlrich Henn and Claudio C.

Lazulite and Boulder Opal Chemical Formula

While comparing Lazulite and Boulder Opal 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 Lazulite and Boulder Opal chemical formula.

  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Lazulite and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.