Home
Gemstones


Tourmaline and Demantoid Physical Properties


Demantoid and Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
3.77-3.95   

Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   
Not Available   

Cleavage
Indistinct   
Not Available   

Mohs Hardness
7-7.5   
6.5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Tourmaline and Demantoid Chemical Formula

While comparing Tourmaline 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 Tourmaline and Demantoid chemical formula.

Compare Semi Precious Gemstones

Tourmaline and Demantoid Specific Gravity

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

Semi Precious

Semi Precious


Compare Semi Precious Gemstones