Feldspar and Legrandite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.56-2.75
3.98-4.04
Fracture
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
two or three
Imperfect, poor one {100}
Mohs Hardness
6-6.5
4.5-5
Chemical Composition
Not Available
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Feldspar and Legrandite Chemical Formula
While comparing Feldspar 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 Feldspar and Legrandite chemical formula.
>- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Feldspar and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Feldspar and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Feldspar and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Feldspar is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.