Magnesite and Dioptase Physical Properties

Magnesite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in hot HCl

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.92-3.123.25-3.35

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

[10 1 1] perfect

Perfect in three directions

1.7 Mohs Hardness

3.5-4.55

2 10

1.8 Chemical Composition

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Magnesite and Dioptase Chemical Formula

While comparing Magnesite 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 Magnesite and Dioptase chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Magnesite and Dioptase Specific Gravity

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