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Sphalerite
Sphalerite

Dioptase
Dioptase



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Sphalerite
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Dioptase

Sphalerite and Dioptase Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.95-4.103.25-3.35
1 7.18
👆🏻

Fracture

Uneven
Conchoidal, ConchoidalWalter Schumann

Cleavage

{110} Perfect, {110} Perfect, {110} Perfect
Perfect in three directions

Mohs Hardness

3.5-45
2 10
👆🏻

Chemical Composition

(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sphalerite and Dioptase Chemical Formula

While comparing Sphalerite 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 Sphalerite and Dioptase chemical formula.

  • Chemical formula of Sphalerite- (Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sphalerite and Dioptase Specific Gravity

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