Carnelian and Tugtupite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.58-2.64
2.30-2.60
Fracture
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Absent
{111} Imperfect
Mohs Hardness
6.5-7
5.5-6
Chemical Composition
SiO2
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Carnelian and Tugtupite Chemical Formula
While comparing Carnelian and Tugtupite 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 Carnelian and Tugtupite chemical formula.
- Chemical formula of Carnelian- SiO2
- Chemical formula of Tugtupite- Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Carnelian and Tugtupite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carnelian and Tugtupite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Tugtupite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.30-2.60 whereas that of Tugtupite is 2.30-2.60.