Pyrope Spessartine and Smoky Quartz Physical Properties

Pyrope Spessartine

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

3.62-4.33

2.65

1.5 Fracture

Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)

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

1.6 Cleavage

Not Available

{0110} Indistinct

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

SiO₂

Pyrope Spessartine and Smoky Quartz Chemical Formula

While comparing Pyrope Spessartine 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 Pyrope Spessartine and Smoky Quartz chemical formula.

Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Smoky Quartz- SiO₂

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Pyrope Spessartine and Smoky Quartz Specific Gravity

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