Poldervaartite and Smoky Quartz Physical Properties

Poldervaartite

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

2.912.65

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

{0110} Indistinct

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

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

SiO₂

Poldervaartite and Smoky Quartz Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Smoky Quartz chemical formula.

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

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Poldervaartite and Smoky Quartz Specific Gravity

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