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Esperite
Esperite

Turquoise
Turquoise



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Esperite
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Turquoise

Esperite and Turquoise Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.28-4.42
2.30-2.90
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Distinct on [010] and [100] poor on [101]
Good to perfect_usually N/A
1.7 Mohs Hardness
5-5.5
5-6
1.8 Chemical Composition
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
CuAl6(PO4)4(OH)8 • 4H2O

Esperite and Turquoise Chemical Formula

While comparing Esperite and Turquoise 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 Esperite and Turquoise chemical formula.

  • Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O

Esperite and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Esperite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.