Piemontite and Smoky Quartz Physical Properties

Piemontite

Smoky Quartz

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.65

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

{0110} Indistinct

1.7 Mohs Hardness

6-6.57

2 10

1.8 Chemical Composition

Not Available

SiO₂

Piemontite and Smoky Quartz Chemical Formula

While comparing Piemontite 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 Piemontite and Smoky Quartz chemical formula.

Chemical formula of Smoky Quartz- SiO₂

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Piemontite and Smoky Quartz Specific Gravity

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