Pleonaste and Smoky Quartz Physical Properties

Pleonaste

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

3.802.65

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

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

SiO₂

Pleonaste and Smoky Quartz Chemical Formula

While comparing Pleonaste 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 Pleonaste and Smoky Quartz chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Smoky Quartz- SiO₂

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Pleonaste and Smoky Quartz Specific Gravity

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