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Zircon
Zircon

Boulder Opal
Boulder Opal



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Zircon
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Boulder Opal

Zircon and Boulder Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

insoluble
-

Durability

-
-

Specific Gravity

3.93-4.731.98-2.25
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

{110} and {111}
None

Mohs Hardness

7.55-6.5
2 10
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Chemical Composition

ZrSiO4
SiO 2 + H 2OUlrich Henn and Claudio C.

Zircon and Boulder Opal Chemical Formula

While comparing Zircon 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 Zircon and Boulder Opal chemical formula.

  • Chemical formula of Zircon- ZrSiO4
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Zircon and Boulder Opal Specific Gravity

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