Feldspar and Colemanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.56-2.75
2.40-2.42
Fracture
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
two or three
{010} Perfect, {001} Distinct
Chemical Composition
Not Available
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Feldspar and Colemanite Chemical Formula
While comparing Feldspar and Colemanite 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 Feldspar and Colemanite chemical formula.
>- Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Feldspar and Colemanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Feldspar and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Feldspar and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Feldspar is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.