Legrandite and Riebeckite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.98-4.04
3.28-3.44
Fracture
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Uneven, Splintery, Brittle
Cleavage
Imperfect, poor one {100}
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
4.5-5
5.0-6.0
Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Legrandite and Riebeckite Chemical Formula
While comparing Legrandite and Riebeckite 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 Legrandite and Riebeckite chemical formula.
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Legrandite and Riebeckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Legrandite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.