Chiastolite and Astrophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00-3.15
3.2-3.4
Fracture
Not Available
Uneven, Brittle, Metallic
Cleavage
Not Available
Perfect on [001] imperfect on [100]
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Chiastolite and Astrophyllite Chemical Formula
While comparing Chiastolite and Astrophyllite 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 Chiastolite and Astrophyllite chemical formula.
- Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
- Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Chiastolite and Astrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chiastolite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chiastolite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Chiastolite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.