Faustite and Imperial Topaz Physical Properties

Faustite

Imperial Topaz

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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)

3.49-3.57

Uneven

None

Al2SiO4(F,OH)2

Faustite and Imperial Topaz Chemical Formula

While comparing Faustite and Imperial Topaz 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 Imperial Topaz chemical formula.

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Faustite and Imperial Topaz Specific Gravity

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