Rossmanite and Apophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3
2.30-2.50
Fracture
Brittle, Metallic
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
None
Perfect on (001)
Mohs Hardness
Not Available
4.5-5
Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Rossmanite and Apophyllite Chemical Formula
While comparing Rossmanite 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 Rossmanite and Apophyllite chemical formula.
- Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Rossmanite and Apophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rossmanite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.