Steatite and Creedite Physical Properties

Steatite

Creedite

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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

2.20-2.802.70

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Not Available

Perfect on {100}

1.7 Mohs Hardness

Not Available4.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Steatite and Creedite Chemical Formula

While comparing Steatite and Creedite 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 Creedite chemical formula.

Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

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Steatite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Steatite is 2.70 whereas that of Creedite is 2.70.