Colemanite and Diaspore Physical Properties
Tenacity
Not Available
Very brittle
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
2.40-2.42
3.30-3.40
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, Brittle, Conchoidal
Cleavage
{010} Perfect, {001} Distinct
{010} perfect, {110} distinct, {100} in traces
Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Colemanite and Diaspore Chemical Formula
While comparing Colemanite and Diaspore 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 Diaspore chemical formula.
- Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Colemanite and Diaspore Specific Gravity
Another important criteria for qualitative analysis of gemstones is Colemanite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.