Smoky Quartz and Poldervaartite Physical Properties

Smoky Quartz

Poldervaartite

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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

2.652.91

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

{0110} Indistinct

None

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

SiO₂

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Smoky Quartz and Poldervaartite Chemical Formula

While comparing Smoky Quartz and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Smoky Quartz- SiO₂
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Compare Gems for Sagittarius

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Smoky Quartz and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 2.91 whereas that of Poldervaartite is 2.91.