Steatite and Vivianite Physical Properties

Steatite

Vivianite

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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

2.20-2.802.64-2.70

1 7.18

1.5 Fracture

Not Available

(e.g. graphite).

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Steatite and Vivianite Chemical Formula

While comparing Steatite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

Steatite Vs Topaz

Steatite Vs Tourmaline

Steatite Vs Tortoiseshell

Steatite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Steatite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.