Brucite and Precious Opal Physical Properties

Brucite

Precious Opal

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.391.98-2.25

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

Not Available

1.7 Mohs Hardness

2.55-6.5

2 10

1.8 Chemical Composition

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Brucite and Precious Opal Chemical Formula

While comparing Brucite and Precious Opal 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 Precious Opal chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Blue Gemstones

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Brucite Vs Common Opal

Brucite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Brucite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.