Moonstone and Cinnabar Physical Properties

Moonstone

Cinnabar

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Physical Properties

Tenacity

Slightly sectile

Solubility

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

Durability

Specific Gravity

2.56-2.602

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven

Cleavage

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

Prismatic {10 1 0}, perfect

Mohs Hardness

6-6.52-2.5

2 10

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Chemical Composition

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

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Moonstone and Cinnabar Chemical Formula

While comparing Moonstone and Cinnabar 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 Cinnabar chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2 whereas that of Cinnabar is 2.