Brucite and Cobaltite Physical Properties

Brucite

Cobaltite

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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

2.396.3

1 7.18

1.5 Fracture

Irregular

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

{100} Good, {010} Good, {001} Good

1.7 Mohs Hardness

2.55.5

2 10

1.8 Chemical Composition

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

CoAsSAnthony et al , Handbook of mineralogy (2001)

Brucite and Cobaltite Chemical Formula

While comparing Brucite and Cobaltite 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 Cobaltite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Brucite and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 6.3 whereas that of Cobaltite is 6.3.