Quartz and Pleonaste Physical Properties

Quartz

Pleonaste

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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

2.653.80

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

Not Available

1.6 Cleavage

{0110} Indistinct

Not Available

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

SiO₂

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

Quartz and Pleonaste Chemical Formula

While comparing Quartz and Pleonaste 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 Quartz and Pleonaste chemical formula.

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

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Quartz and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Quartz and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Quartz and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Quartz is 3.80 whereas that of Pleonaste is 3.80.