Feldspar and Cinnabar Physical Properties

Feldspar

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.4 Solubility

Not Available

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

1.5 Durability

Not Available

1.6 Specific Gravity

2.56-2.752

1 7.18

1.7 Fracture

Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)

Uneven, Uneven, Gemstones (2009), Brittle

1.8 Cleavage

two or three

Prismatic {10 1 0}, perfect

1.9 Mohs Hardness

6-6.52-2.5

2 10

1.17 Chemical Composition

Not Available

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

Feldspar and Cinnabar Chemical Formula

While comparing Feldspar 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 Feldspar and Cinnabar chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Feldspar and Cinnabar Specific Gravity

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