Starlite and Agrellite Physical Properties

Starlite

Agrellite

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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

3.91-4.732.88

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

perfect [110]

1.7 Mohs Hardness

6.5-7.55.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Starlite and Agrellite Chemical Formula

While comparing Starlite and Agrellite 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 Starlite and Agrellite chemical formula.

Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Agrellite- NaCa2Si4O10F

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Starlite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Starlite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Starlite is 2.88 whereas that of Agrellite is 2.88.