Colemanite and Chalcedony Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.40-2.42
2.55-2.70
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Cleavage
{010} Perfect, {001} Distinct
Absent
Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2
Colemanite and Chalcedony Chemical Formula
While comparing Colemanite and Chalcedony 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 Colemanite and Chalcedony chemical formula.
- Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Chalcedony- SiO2
Colemanite and Chalcedony Specific Gravity
Another important criteria for qualitative analysis of gemstones is Colemanite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.