Legrandite and Creedite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.98-4.04
2.70
Fracture
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Imperfect, poor one {100}
Perfect on {100}
Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Legrandite and Creedite Chemical Formula
While comparing Legrandite and Creedite 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 Creedite chemical formula.
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Legrandite and Creedite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Legrandite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 2.70 whereas that of Creedite is 2.70.