Star Sapphire and Anthophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.90-4.05
2.9-3.5
Fracture
Not Available
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
Cleavage
Not Available
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
Not Available
5.5-6
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Star Sapphire and Anthophyllite Chemical Formula
While comparing Star Sapphire and Anthophyllite 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 Star Sapphire and Anthophyllite chemical formula.
- Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
- Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Star Sapphire and Anthophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Star Sapphire and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.