Faustite and Prase Physical Properties

Faustite

Prase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.92.64-2.69

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

1.6 Cleavage

{???} Indistinct

Not Available

1.7 Mohs Hardness

4.57

2 10

1.8 Chemical Composition

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Faustite and Prase Chemical Formula

While comparing Faustite and Prase 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 Prase 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 Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Faustite and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Prase Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.64-2.69 whereas that of Prase is 2.64-2.69.