Home
Gemstones


Howlite and Demantoid Physical Properties


Demantoid and Howlite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.45-2.58   
3.77-3.95   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Not Available   

Cleavage
None   
Not Available   

Mohs Hardness
3-3.5   
6.5   

Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Howlite and Demantoid Chemical Formula

While comparing Howlite and Demantoid 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 Demantoid chemical formula.

Compare Gems for Gemini

Howlite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.

Gemini Gems

Gemini Gems

» More Gemini Gems

Compare Gems for Gemini

» More Compare Gems for Gemini