Hodgkinsonite and Sylvite Physical Properties

Hodgkinsonite

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

4.06-4.081.993

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

Uneven, Brittle

1.6 Cleavage

{???} Perfect

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

1.7 Mohs Hardness

4.5-52.5

2 10

1.8 Chemical Composition

Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Hodgkinsonite and Sylvite Chemical Formula

While comparing Hodgkinsonite 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 Hodgkinsonite and Sylvite chemical formula.

Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hodgkinsonite and Sylvite Specific Gravity

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