Steatite and Mellite Physical Properties

Steatite

Mellite

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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

2.20-2.801.58-1.60

1 7.18

1.5 Fracture

Not Available

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Not Available

{011} Imperfect

1.7 Mohs Hardness

Not Available2

2 10

1.8 Chemical Composition

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

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Steatite and Mellite Chemical Formula

While comparing Steatite and Mellite 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 Steatite and Mellite chemical formula.

Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

Steatite Vs Tourmaline

Steatite Vs Tortoiseshell

Steatite Vs Topaz

Steatite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Steatite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.