Smoky Quartz and Erythrite Physical Properties

Smoky Quartz

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.06

1 7.18

1.5 Fracture

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

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

{0110} Indistinct

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

SiO₂

Co3(AsO4)2•8(H2O)

Smoky Quartz and Erythrite Chemical Formula

While comparing Smoky Quartz and Erythrite 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 Erythrite chemical formula.

Chemical formula of Smoky Quartz- SiO₂
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Smoky Quartz and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 3.06 whereas that of Erythrite is 3.06.