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Bloodstone Heliotrope
Bloodstone Heliotrope

Common Opal
Common Opal



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Bloodstone Heliotrope
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Common Opal

Bloodstone Heliotrope and Common Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.70
1.98-2.50
1.5 Fracture
Not Available
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
6.5-7
5.5-6.5
1.8 Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Bloodstone Heliotrope and Common Opal Chemical Formula

While comparing Bloodstone Heliotrope and Common 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 Bloodstone Heliotrope and Common Opal chemical formula.

  • Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)
  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Bloodstone Heliotrope and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bloodstone Heliotrope and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bloodstone Heliotrope and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Bloodstone Heliotrope is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.