Faustite and Celestine Physical Properties

Faustite

Celestine

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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

2.93.90-4.00

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{???} Indistinct

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

4.53-3.5

2 10

1.8 Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Faustite and Celestine Chemical Formula

While comparing Faustite and Celestine 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 Celestine 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 Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Faustite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.