Alunite and Amblygonite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.6-2.9
2.98-3.10
Fracture
Conchoidal, Uneven
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
On {0001}, perfect
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
KAl3(SO4)2(OH)6
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Alunite and Amblygonite Chemical Formula
While comparing Alunite 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 Alunite and Amblygonite chemical formula.
- Chemical formula of Alunite- KAl3(SO4)2(OH)6
- Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Alunite and Amblygonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alunite and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.