×

Black Opal
Black Opal

Rhodizite
Rhodizite



ADD
Compare
X
Black Opal
X
Rhodizite

Black Opal and Rhodizite 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
1.97-2.223.34-3.44
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Not Available
{111} Indistinct, {111} Indistinct, {111} Indistinct
1.7 Mohs Hardness
6-6.58-8.5
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Black Opal and Rhodizite Chemical Formula

While comparing Black Opal and Rhodizite 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 Black Opal and Rhodizite chemical formula.

  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Black Opal and Rhodizite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.