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Fire Opal
Fire Opal

Magnetite
Magnetite



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Fire Opal
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Magnetite

Fire Opal and Magnetite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.97-2.225.2
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

None
None

Mohs Hardness

6-6.55.5-6.5
2 10
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Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Fe 3O 4Ulrich Henn and Claudio C.

Fire Opal and Magnetite Chemical Formula

While comparing Fire 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 Fire Opal and Magnetite chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.

Fire Opal and Magnetite Specific Gravity

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