Faustite and Xonotlite Physical Properties

Faustite

Xonotlite

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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

2.92.71-2.72

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

Handbook of mineralogy (2001), Difficult, Fibrous

1.6 Cleavage

{???} Indistinct

{???} Good

1.7 Mohs Hardness

4.56-6.5

2 10

1.8 Chemical Composition

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

Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Faustite and Xonotlite Chemical Formula

While comparing Faustite and Xonotlite 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 Xonotlite 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 Xonotlite- Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Faustite and Xonotlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Xonotlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Xonotlite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.71-2.72 whereas that of Xonotlite is 2.71-2.72.