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Esperite and Dioptase Physical Properties


Dioptase and Esperite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
4.28-4.42   
3.25-3.35   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
Distinct on [010] and [100] poor on [101]   
Perfect in three directions   

Mohs Hardness
5-5.5   
5   

Chemical Composition
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)   
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Esperite and Dioptase Chemical Formula

While comparing Esperite and Dioptase 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 Dioptase chemical formula.

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Esperite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.

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