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Boulder Opal
Boulder Opal

Lazurite
Lazurite



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Boulder Opal
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Lazurite

Boulder Opal and Lazurite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
Brittle
Soluble
-
2.75
Uneven, Conchoidal
Imperfect on {110}
5.5
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Boulder Opal and Lazurite Chemical Formula

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

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Boulder Opal and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal Vs Lazurite during the identification of gemstone. Specific gravity of Boulder Opal is whereas that of Lazurite is .