Smoky Quartz and Gahnospinel Physical Properties

Smoky Quartz

Gahnospinel

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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

2.653.65-4.55

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0110} Indistinct

None, but may exhibit slight parting

1.7 Mohs Hardness

77.5-8

2 10

1.8 Chemical Composition

SiO₂

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

Smoky Quartz and Gahnospinel Chemical Formula

While comparing Smoky Quartz and Gahnospinel 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 Gahnospinel chemical formula.

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

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Smoky Quartz and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.