Jade and Orthoclase Physical Properties

Jade

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

2.90-3.382.54-2.61

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Gems, Uneven

1.6 Cleavage

1 or 2,2 prismatic.

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

1.7 Mohs Hardness

6-76

2 10

1.8 Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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

Jade and Orthoclase Chemical Formula

While comparing Jade 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 Jade and Orthoclase chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Jade and Orthoclase Specific Gravity

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