Phlogopite and Moonstone Physical Properties

Phlogopite

Moonstone

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.852.56-2.60

1 7.18

1.5 Fracture

None, Uneven

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

1.6 Cleavage

Perfect basal (001)

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

1.7 Mohs Hardness

2-2.56-6.5

2 10

1.8 Chemical Composition

Not Available

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

Phlogopite and Moonstone Chemical Formula

While comparing Phlogopite 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 Phlogopite and Moonstone chemical formula.

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

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Phlogopite and Moonstone Specific Gravity

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