Brucite and Iolite Physical Properties

Brucite

Iolite

Add ⊕

1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.6-2.7

1 7.18

1.5 Fracture

Irregular

Not Available

1.6 Cleavage

Perfect on {0001}

3,1

1.7 Mohs Hardness

2.57-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Brucite and Iolite Chemical Formula

While comparing Brucite and Iolite 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 Iolite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

Compare Blue Gemstones

Brucite Vs Common Opal

Brucite Vs Chrysocolla

Brucite Vs Chrome Tourmaline

Brucite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.