Verdite and Faustite Physical Properties

Verdite

Faustite

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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

2.80-3.02.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{110} Good

{???} Indistinct

1.7 Mohs Hardness

34.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Faustite Chemical Formula

While comparing Verdite 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 Verdite and Faustite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Verdite and Faustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Faustite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.9 whereas that of Faustite is 2.9.