Hollandite and Starlite Physical Properties

Hollandite

Starlite

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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

5.053.91-4.73

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Distinct / Good, Prismatic

Not Available

1.7 Mohs Hardness

4-66.5-7.5

2 10

1.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

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

Hollandite and Starlite Chemical Formula

While comparing Hollandite and Starlite 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 Hollandite and Starlite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hollandite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.