Brucite and Smoky Quartz Physical Properties

Brucite

Smoky Quartz

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.65

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

{0110} Indistinct

1.7 Mohs Hardness

2.57

2 10

1.8 Chemical Composition

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

SiO₂

Brucite and Smoky Quartz Chemical Formula

While comparing Brucite and Smoky Quartz 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 Smoky Quartz chemical formula.

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

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Brucite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.65 whereas that of Smoky Quartz is 2.65.