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Turquoise
Turquoise

Poldervaartite
Poldervaartite



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Turquoise and Poldervaartite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.90
2.91
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Handbook of mineralogy (2001)
1.6 Cleavage
Good to perfect_usually N/A
None
1.7 Mohs Hardness
5-6
Not Available
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Turquoise and Poldervaartite Chemical Formula

While comparing Turquoise and Poldervaartite 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 Turquoise and Poldervaartite chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Turquoise and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.91 whereas that of Poldervaartite is 2.91.