Brucite and Caledonite Physical Properties

Brucite

Caledonite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.395.6-5.76

1 7.18

1.5 Fracture

Irregular

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on {0001}

[001] perfect; [100] distinct

1.7 Mohs Hardness

2.52.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Brucite and Caledonite Chemical Formula

While comparing Brucite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Brucite Vs Common Opal

Brucite Vs Chrome Tourmaline

Brucite Vs Chrysocolla

Brucite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.