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Brucite
Brucite

Dioptase
Dioptase



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Brucite
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Dioptase

Brucite and Dioptase Physical Properties

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Physical Properties

Tenacity

Sectile
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.393.25-3.35
1 7.18
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Fracture

Irregular
Conchoidal, ConchoidalWalter Schumann

Cleavage

Perfect on {0001}
Perfect in three directions

Mohs Hardness

2.55
2 10
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Chemical Composition

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

Brucite and Dioptase Chemical Formula

While comparing Brucite 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 Brucite and Dioptase chemical formula.

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

Brucite and Dioptase Specific Gravity

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