Carnelian and Steatite Physical Properties

Carnelian

Steatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.642.20-2.80

1 7.18

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Not Available

1.6 Cleavage

Absent

Not Available

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

SiO₂

Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Carnelian and Steatite Chemical Formula

While comparing Carnelian and Steatite 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 Carnelian and Steatite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

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Carnelian and Steatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Steatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Steatite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.20-2.80 whereas that of Steatite is 2.20-2.80.