Faustite and Chrysoberyl Physical Properties

Faustite

Chrysoberyl

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93.69-3.81

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

1.6 Cleavage

{???} Indistinct

Distinct on {110}, imperfect on {010}, poor on {001}

1.7 Mohs Hardness

4.58.5

2 10

1.8 Chemical Composition

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

BeAl ₂ O ₄

Faustite and Chrysoberyl Chemical Formula

While comparing Faustite and Chrysoberyl 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 Chrysoberyl 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 Chrysoberyl- BeAl ₂ O ₄

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Faustite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.