Fluorite and Brucite Physical Properties

Fluorite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.252.39

1 7.18

1.5 Fracture

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

Irregular

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

42.5

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Brucite Chemical Formula

While comparing Fluorite 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 Fluorite and Brucite chemical formula.

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

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Fluorite and Brucite Specific Gravity

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