Uvite and Sylvite Physical Properties

Uvite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.141.993

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Uneven, Brittle

1.6 Cleavage

{1011} Indistinct

Perfect on [100], [010], [001]

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Not Available

Uvite and Sylvite Chemical Formula

While comparing Uvite and Sylvite 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 Uvite and Sylvite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Uvite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Uvite is 1.993 whereas that of Sylvite is 1.993.