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Boulder Opal
Boulder Opal

Magnetite
Magnetite



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Boulder Opal
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Magnetite

Boulder Opal and Magnetite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.255.2
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

None
None

Mohs Hardness

5-6.55.5-6.5
2 10
👆🏻

Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.
Fe 3O 4Ulrich Henn and Claudio C.

Boulder Opal and Magnetite Chemical Formula

While comparing Boulder Opal and Magnetite 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 Magnetite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.

Boulder Opal and Magnetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Magnetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Magnetite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 5.2 whereas that of Magnetite is 5.2.