Brucite and Esperite Physical Properties

Brucite

Esperite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.394.28-4.42

1 7.18

1.5 Fracture

Irregular

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

Distinct on [010] and [100] poor on [101]

1.7 Mohs Hardness

2.55-5.5

2 10

1.8 Chemical Composition

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

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Brucite and Esperite Chemical Formula

While comparing Brucite and Esperite 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 Esperite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Brucite Vs Chrome Tourmaline

Brucite and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Esperite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 4.28-4.42 whereas that of Esperite is 4.28-4.42.