Friedelite and Sylvite Physical Properties

Friedelite

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

3.06-3.191.993

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Uneven, Brittle

1.6 Cleavage

{010} Perfect

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

1.7 Mohs Hardness

4-52.5

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Not Available

Friedelite and Sylvite Chemical Formula

While comparing Friedelite 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 Friedelite and Sylvite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Friedelite and Sylvite Specific Gravity

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