Faustite and Jeremejevite Physical Properties

Faustite

Jeremejevite

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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

2.93.28-3.31

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{???} Indistinct

None observed

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)

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Faustite and Jeremejevite Chemical Formula

While comparing Faustite and Jeremejevite 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 Jeremejevite 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 Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Faustite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.