Hyacinth and Sylvite Physical Properties

Hyacinth

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

3.93-4.731.993

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-7.52.5

2 10

1.8 Chemical Composition

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Hyacinth and Sylvite Chemical Formula

While comparing Hyacinth 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 Hyacinth and Sylvite chemical formula.

Chemical formula of Hyacinth- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hyacinth and Sylvite Specific Gravity

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