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Demantoid
Demantoid

Dioptase
Dioptase



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Demantoid
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Dioptase

Demantoid and Dioptase Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.77-3.953.25-3.35
1 7.18
👆🏻

Fracture

-
Conchoidal, ConchoidalWalter Schumann

Cleavage

Imperfect
Perfect in three directions

Mohs Hardness

6.55
2 10
👆🏻

Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Demantoid and Dioptase Chemical Formula

While comparing Demantoid 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 Demantoid and Dioptase chemical formula.

  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Demantoid and Dioptase Specific Gravity

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