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Common Opal
Common Opal

Bloodstone Heliotrope
Bloodstone Heliotrope



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Common Opal
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Bloodstone Heliotrope

Common Opal and Bloodstone Heliotrope 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
1.98-2.502.55-2.70
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
5.5-6.56.5-7
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
SiO 2Arthur Thomas , Gemstones (2009)

Common Opal and Bloodstone Heliotrope Chemical Formula

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

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

Common Opal and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Common Opal and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Common Opal and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Common Opal is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.