Pearl and Faustite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.60-2.85
2.9
Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Cleavage
none
{???} Indistinct
Mohs Hardness
2.5-4.5
4.5
Chemical Composition
Not Available
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Pearl and Faustite Chemical Formula
While comparing Pearl and Faustite 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 Pearl and Faustite chemical formula.
>- Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Pearl and Faustite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pearl and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Faustite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.9 whereas that of Faustite is 2.9.