Opal Ethiopia and Smoky Quartz Physical Properties

Opal Ethiopia

Smoky Quartz

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{0110} Indistinct

1.7 Mohs Hardness

5.5-6.57

2 10

1.8 Chemical Composition

Not Available

SiO₂

Opal Ethiopia and Smoky Quartz Chemical Formula

While comparing Opal Ethiopia and Smoky Quartz 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 Opal Ethiopia and Smoky Quartz chemical formula.

Chemical formula of Smoky Quartz- SiO₂

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Opal Ethiopia and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal Ethiopia and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal Ethiopia and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Opal Ethiopia is 2.65 whereas that of Smoky Quartz is 2.65.