Brucite and Fluorite Physical Properties

Brucite

Fluorite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.393.00-3.25

1 7.18

1.5 Fracture

Irregular

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on {0001}

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

2.54

2 10

1.8 Chemical Composition

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

CaF₂

Brucite and Fluorite Chemical Formula

While comparing Brucite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fluorite- CaF₂

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Brucite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.