Carletonite and Howlite Physical Properties

Carletonite and Howlite Chemical Formula

While comparing Carletonite and Howlite 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 Carletonite and Howlite chemical formula.

• Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Carletonite and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carletonite and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Howlite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 2.45-2.58 whereas that of Howlite is 2.45-2.58.