Smoky Quartz and Orthoclase Physical Properties

Smoky Quartz

Orthoclase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.54-2.61

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Gems, Uneven

1.6 Cleavage

{0110} Indistinct

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

SiO₂

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

Smoky Quartz and Orthoclase Chemical Formula

While comparing Smoky Quartz 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 Smoky Quartz and Orthoclase chemical formula.

Chemical formula of Smoky Quartz- SiO₂
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Smoky Quartz Vs Zircon

Smoky Quartz and Orthoclase Specific Gravity

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