Sardonyx and Orthoclase Physical Properties

Sardonyx

Orthoclase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.54-2.61

1 7.18

1.5 Fracture

Not Available

Gems, Uneven

1.6 Cleavage

Not Available

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sardonyx and Orthoclase Chemical Formula

While comparing Sardonyx and Orthoclase 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 Sardonyx and Orthoclase chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sardonyx and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.