Brucite and Rock Crystal Physical Properties

Brucite

Rock Crystal

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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

2.392.65

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

Not Available

1.7 Mohs Hardness

2.57

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Brucite and Rock Crystal Chemical Formula

While comparing Brucite and Rock Crystal 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 Rock Crystal chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

Compare Blue Gemstones

Brucite Vs Common Opal

Brucite Vs Chrysocolla

Brucite Vs Chrome Tourmaline

Brucite and Rock Crystal Specific Gravity

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