Howlite and Edenite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.45-2.58
3.05-3.37
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, Brittle, Conchoidal
Cleavage
None
Good on (110)
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaCa2Mg5Si7AlO22(OH)2
Howlite and Edenite Chemical Formula
While comparing Howlite and Edenite 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 Howlite and Edenite chemical formula.
- Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Howlite and Edenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Howlite and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Edenite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.05-3.37 whereas that of Edenite is 3.05-3.37.