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Fire Opal
Fire Opal

Lawsonite
Lawsonite



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Fire Opal
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Lawsonite

Fire Opal and Lawsonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

1.97-2.223.09
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

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

Mohs Hardness

6-6.58
2 10
👆🏻

Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
CaAl2Si2O7(OH)2.H2O

Fire Opal and Lawsonite Chemical Formula

While comparing Fire 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 Fire Opal and Lawsonite chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Lawsonite- CaAl2Si2O7(OH)2.H2O

Fire Opal and Lawsonite Specific Gravity

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