Brucite and Moonstone Physical Properties

Brucite

Moonstone

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Physical Properties

Tenacity

Sectile

Solubility

Durability

Specific Gravity

2.392.56-2.60

1 7.18

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Fracture

Irregular

Uneven, ConchoidalWalter Schumann

Cleavage

Perfect on {0001}

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

2.56-6.5

2 10

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Chemical Composition

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Brucite and Moonstone Chemical Formula

While comparing Brucite and Moonstone 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 Moonstone chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Blue Gemstones

Brucite Vs Common Opal

Brucite Vs Cordierite Iolite

Brucite Vs Covellite

Brucite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.