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Magnetite
Magnetite

Opal
Opal



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Magnetite
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Opal

Magnetite and Opal Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
BrittleWalter Schumann
1.2 Solubility
Not Available
hot salt water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.21.98-2.25
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Management Team (2012), Conchoidal, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
None
None
1.7 Mohs Hardness
5.5-6.55-6.5
Amber
2 10
1.8 Chemical Composition
Fe 3O 4Ulrich Henn and Claudio C.
SiO2 · nH2O

Magnetite and Opal Chemical Formula

While comparing Magnetite and 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 Magnetite and Opal chemical formula.

  • Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.
  • Chemical formula of Opal- SiO2 · nH2O

Magnetite and Opal Specific Gravity

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