Onyx and Amblygonite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
2.98-3.10
Fracture
Not Available
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Indiscernible
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
SiO2
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Onyx and Amblygonite Chemical Formula
While comparing Onyx 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 Onyx and Amblygonite chemical formula.
- Chemical formula of Onyx- SiO2
- Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Onyx and Amblygonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Onyx and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.