Vesuvianite Idocrase and Opal Physical Properties
Tenacity
Not Available
BrittleWalter Schumann
Solubility
Not Available
hot salt water
Durability
Not Available
Not Available
Specific Gravity
3.25-3.50
1.98-2.25
Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Cleavage
Not Available
None
Mohs Hardness
Not Available
5-6.5
Chemical Composition
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
SiO2 · nH2O
Vesuvianite Idocrase and Opal Chemical Formula
While comparing Vesuvianite Idocrase 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 Vesuvianite Idocrase and Opal chemical formula.
- Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
- Chemical formula of Opal- SiO2 · nH2O
Vesuvianite Idocrase and Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Vesuvianite Idocrase and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite Idocrase and Opal Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite Idocrase is 1.98-2.25 whereas that of Opal is 1.98-2.25.