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Boulder Opal
Boulder Opal

Lawsonite
Lawsonite



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Boulder Opal
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Lawsonite

Boulder Opal and Lawsonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.253.09
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

None
Perfect on {100} and {010}, imperfect on {101}

Mohs Hardness

5-6.58
2 10
👆🏻

Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
CaAl2Si2O7(OH)2.H2O

Boulder Opal and Lawsonite Chemical Formula

While comparing Boulder Opal and Lawsonite 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 Lawsonite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Lawsonite- CaAl2Si2O7(OH)2.H2O

Boulder Opal and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.09 whereas that of Lawsonite is 3.09.