Jacobsite and Steatite Physical Properties

Jacobsite

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

4.76-5.032.20-2.80

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

5.5-6.5Not Available

2 10

1.8 Chemical Composition

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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

Jacobsite and Steatite Chemical Formula

While comparing Jacobsite 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 Jacobsite and Steatite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

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Jacobsite and Steatite Specific Gravity

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