Sardonyx and Hollandite Physical Properties

Sardonyx

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

2.55-2.705.05

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic

1.6 Cleavage

Not Available

Distinct / Good, Prismatic

1.7 Mohs Hardness

6.5-74-6

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Hollandite Chemical Formula

While comparing Sardonyx 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 Sardonyx and Hollandite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Sardonyx and Hollandite Specific Gravity

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