Variscite and Legrandite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.42-2.58
3.98-4.04
Fracture
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
[010] perfect
Imperfect, poor one {100}
Chemical Composition
AlPO4 · 2(H2O)
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Variscite and Legrandite Chemical Formula
While comparing Variscite and Legrandite 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 Variscite and Legrandite chemical formula.
- Chemical formula of Variscite- AlPO4 · 2(H2O)
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Variscite and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Variscite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.