Gaspeite and Faustite Physical Properties

Gaspeite

Faustite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.712.9

1 7.18

1.5 Fracture

Uneven

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{10 1 1} Good

{???} Indistinct

1.7 Mohs Hardness

4.5-54.5

2 10

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

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

Gaspeite and Faustite Chemical Formula

While comparing Gaspeite 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 Gaspeite and Faustite chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Gaspeite and Faustite Specific Gravity

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