Moonstone and Brucite Physical Properties

Moonstone

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.602.39

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Irregular

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

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

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

Moonstone and Brucite Chemical Formula

While comparing Moonstone and Brucite 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 Moonstone and Brucite chemical formula.

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

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Moonstone and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Brucite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2.39 whereas that of Brucite is 2.39.