Brucite and Andalusite Physical Properties

Brucite

Andalusite

Add ⊕

1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.393.05-3.21

1 7.18

1.5 Fracture

Irregular

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {0001}

Good on {110}, poor on {100}

1.7 Mohs Hardness

2.57.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Brucite and Andalusite Chemical Formula

While comparing Brucite and Andalusite 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 Andalusite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Blue Gemstones

Brucite Vs Chrome Tourmaline

Brucite Vs Common Opal

Brucite Vs Chrysocolla

Brucite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.