Glass and Hollandite Physical Properties

Glass

Hollandite

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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

2.39-4.005.05

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

Brittle, Metallic

1.6 Cleavage

Not Available

Distinct / Good, Prismatic

1.7 Mohs Hardness

4-64-6

2 10

1.8 Chemical Composition

Not Available

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

Glass and Hollandite Chemical Formula

While comparing Glass and Hollandite 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 Glass and Hollandite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Glass and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glass and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glass and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Glass is 5.05 whereas that of Hollandite is 5.05.