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Faustite
Faustite

Periclase
Periclase



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Faustite
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Periclase

Faustite and Periclase Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.93.7-3.9
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Conchoidal, Brittle
1.6 Cleavage
{???} Indistinct
{001} perfect; {111} imperfect, may exhibit parting on , {011}
1.7 Mohs Hardness
4.55.5-6
Amber
2 10
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
MgOMichael O’Donoghue , Gems, Sixth Edition (2006)

Faustite and Periclase Chemical Formula

While comparing Faustite and Periclase 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 Periclase 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 Periclase- MgOMichael O’Donoghue , Gems, Sixth Edition (2006)

Faustite and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Periclase Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.7-3.9 whereas that of Periclase is 3.7-3.9.