Faustite and Andradite Garnet Physical Properties

Faustite

Andradite Garnet

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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

2.93.8-3.9

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

Not Available

1.6 Cleavage

{???} Indistinct

None

1.7 Mohs Hardness

4.56.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Faustite and Andradite Garnet Chemical Formula

While comparing Faustite and Andradite Garnet 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 Andradite Garnet 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 Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Faustite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.