Polyhalite and Amblygonite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.78
2.98-3.10
Fracture
Conchoidal, Brittle
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {10 1 }; parting on {010}
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
Not Available
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Polyhalite and Amblygonite Chemical Formula
While comparing Polyhalite and Amblygonite 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 Polyhalite and Amblygonite chemical formula.
>- Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Polyhalite and Amblygonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Polyhalite and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.