Howlite and Chlorapatite Physical Properties

Howlite and Chlorapatite Chemical Formula

While comparing Howlite and Chlorapatite 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 Chlorapatite chemical formula.

• Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Howlite and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.