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Pezzottaite
Pezzottaite

Demantoid
Demantoid



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Pezzottaite
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Demantoid

Pezzottaite and Demantoid 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
2.90-3.143.77-3.95
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
1.6 Cleavage
Imperfect; basal
Not Available
1.7 Mohs Hardness
7.5-86.5
Amber
2 10
1.8 Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Pezzottaite and Demantoid Chemical Formula

While comparing Pezzottaite and Demantoid 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 Pezzottaite and Demantoid chemical formula.

  • Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Pezzottaite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.