Faustite and Microlite Physical Properties

Faustite

Microlite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.9

Conchoidal

{???} Indistinct

4.5

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

5.5

Conchoidal

{111} Indistinct, {111} Indistinct, {111} Indistinct

5-5.5

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Faustite and Microlite Chemical Formula

While comparing Faustite and Microlite 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 Microlite 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 Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Faustite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 5.5 whereas that of Microlite is 5.5.