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Faustite
Faustite

Pleonaste
Pleonaste



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Faustite
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Pleonaste

Faustite and Pleonaste Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.93.80
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Not Available
1.6 Cleavage
{???} Indistinct
Not Available
1.7 Mohs Hardness
4.58
Amber
2 10
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Faustite and Pleonaste Chemical Formula

While comparing Faustite and Pleonaste 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 Pleonaste chemical formula.

  • Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Faustite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.80 whereas that of Pleonaste is 3.80.