Hollandite and Chrome-Chalcedony Physical Properties

Hollandite

Chrome-Chalcedony

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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

5.052.55-2.70

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

Distinct / Good, Prismatic

Not Available

1.7 Mohs Hardness

4-66.5-7

2 10

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Hollandite and Chrome-Chalcedony Chemical Formula

While comparing Hollandite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Hollandite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.