Cancrinite and Astrophyllite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.42-2.52
3.2-3.4
Fracture
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Brittle, Metallic
Cleavage
Perfect on {10 1 0}, poor on {0001}
Perfect on [001] imperfect on [100]
Chemical Composition
Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Cancrinite and Astrophyllite Chemical Formula
While comparing Cancrinite 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 Cancrinite and Astrophyllite chemical formula.
- Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Cancrinite and Astrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cancrinite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cancrinite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Cancrinite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.