Simpsonite and Smoky Quartz Physical Properties

Simpsonite

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

Not Available2.65

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

None

{0110} Indistinct

1.7 Mohs Hardness

7-7.57

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

SiO₂

Simpsonite and Smoky Quartz Chemical Formula

While comparing Simpsonite 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 Simpsonite and Smoky Quartz chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Smoky Quartz- SiO₂

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Simpsonite and Smoky Quartz Specific Gravity

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