Home
Gemstones


Cobaltite and Boulder Opal Physical Properties


Boulder Opal and Cobaltite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.3   
1.98-2.25   

Fracture
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{100} Good, {010} Good, {001} Good   
Not Available   

Mohs Hardness
5.5   
5-6.5   

Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Cobaltite and Boulder Opal Chemical Formula

While comparing Cobaltite and Boulder 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 Cobaltite and Boulder Opal chemical formula.

Compare Gems Found in America

Cobaltite and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.

Gems Found in America

Gems Found in America


Compare Gems Found in America