Calcite and Honey Opal Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.67-2.73
  
Not Available
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
  
Not Available
  
Mohs Hardness
3
  
5.5-6.5
  
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Calcite and Honey Opal Chemical Formula
While comparing Calcite and Honey 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 Calcite and Honey Opal chemical formula.
- Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
- Chemical formula of Honey Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Calcite and Honey Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Calcite and Honey Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Honey Opal Optical Properties during the identification of gemstone. Specific gravity of Calcite is Not Available whereas that of Honey Opal is Not Available.