Faustite and Gaylussite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
decomposes in water
Durability
Not Available
Not Available
Specific Gravity
2.9
1.93-1.99
Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Conchoidal, Conchoidal, Brittle
Cleavage
{???} Indistinct
perfect [110]
Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Na2Ca(CO3)2•5(H2O)
Faustite and Gaylussite Chemical Formula
While comparing Faustite and Gaylussite 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 Faustite and Gaylussite chemical formula.
- Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
Faustite and Gaylussite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Faustite and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.