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