Carnelian and Brucite Physical Properties

Carnelian

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.642.39

1 7.18

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Irregular

1.6 Cleavage

Absent

Perfect on {0001}

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

SiO₂

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

Carnelian and Brucite Chemical Formula

While comparing Carnelian 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 Carnelian and Brucite chemical formula.

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

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Carnelian and Brucite Specific Gravity

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