Realgar and Apophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.56
2.30-2.50
Fracture
(e.g. graphite).
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
{010} Good
Perfect on (001)
Mohs Hardness
Not Available
4.5-5
Chemical Composition
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Realgar and Apophyllite Chemical Formula
While comparing Realgar and Apophyllite 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 Realgar and Apophyllite chemical formula.
- Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Realgar and Apophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Realgar and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.