Periclase and Steatite Physical Properties

Periclase

Steatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.92.20-2.80

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

{001} perfect; {111} imperfect, may exhibit parting on , {011}

Not Available

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Periclase and Steatite Chemical Formula

While comparing Periclase 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 Periclase and Steatite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

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Periclase and Steatite Specific Gravity

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