Smoky Quartz and Brucite Physical Properties

Smoky Quartz

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.39

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Irregular

1.6 Cleavage

{0110} Indistinct

Perfect on {0001}

1.7 Mohs Hardness

72.5

2 10

1.8 Chemical Composition

SiO₂

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

Smoky Quartz and Brucite Chemical Formula

While comparing Smoky Quartz and Brucite 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 Smoky Quartz and Brucite chemical formula.

Chemical formula of Smoky Quartz- SiO₂
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Smoky Quartz and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Brucite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 2.39 whereas that of Brucite is 2.39.