Agate Opal and Magnesite Physical Properties

Agate Opal

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.2 Durability

Not Available

1.4 Specific Gravity

1.98-2.502.92-3.12

1 7.18

2.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

2.6 Cleavage

Not Available

[10 1 1] perfect

2.7 Mohs Hardness

5.5-6.53.5-4.5

2 10

2.11 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Agate Opal and Magnesite Chemical Formula

While comparing Agate Opal and Magnesite 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 Agate Opal and Magnesite chemical formula.

Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems Found In Africa

Agate Opal Vs Anorthoclase

Agate Opal Vs Anorthite

Agate Opal Vs Anthophyllite

Agate Opal and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate Opal and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.