Iddingsite and Smoky Quartz Physical Properties

Iddingsite

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

2.5-2.82.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Perfect

{0110} Indistinct

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

SiO₂

Iddingsite and Smoky Quartz Chemical Formula

While comparing Iddingsite 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 Iddingsite and Smoky Quartz chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Smoky Quartz- SiO₂

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Iddingsite and Smoky Quartz Specific Gravity

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