Sunstone and Orthoclase Physical Properties

Sunstone

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

2.62-2.652.54-2.61

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Gems, Uneven

1.6 Cleavage

001

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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

Sunstone and Orthoclase Chemical Formula

While comparing Sunstone 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 Sunstone and Orthoclase chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sunstone and Orthoclase Specific Gravity

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