Steatite and Adamite Physical Properties

Steatite

Adamite

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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

2.20-2.804.32-4.48

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

{101}, good; {010}, poor

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

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

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Steatite and Adamite Chemical Formula

While comparing Steatite and Adamite 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 Adamite chemical formula.

Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Compare Green Gemstones

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Steatite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Steatite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.