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Turquoise
Turquoise

Herderite
Herderite



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Turquoise
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Herderite

Turquoise and Herderite 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
2.30-2.902.90-3.02
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Good to perfect_usually N/A
Indistinct on {110}
1.7 Mohs Hardness
5-65-5.5
Amber
2 10
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Turquoise and Herderite Chemical Formula

While comparing Turquoise and Herderite 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 Herderite chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Turquoise and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Herderite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.90-3.02 whereas that of Herderite is 2.90-3.02.