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Prase
Prase

Esperite
Esperite



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Prase
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Esperite

Prase and Esperite Physical Properties

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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
2.64-2.694.28-4.42
Amber
1 7.18
1.5 Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic
1.6 Cleavage
Not Available
Distinct on [010] and [100] poor on [101]
1.7 Mohs Hardness
75-5.5
Amber
2 10
1.8 Chemical Composition
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Prase and Esperite Chemical Formula

While comparing Prase and Esperite 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 Prase and Esperite chemical formula.

  • Chemical formula of Prase- SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Prase and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prase and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase and Esperite Optical Properties during the identification of gemstone. Specific gravity of Prase is 4.28-4.42 whereas that of Esperite is 4.28-4.42.