Hollandite and Peridot Physical Properties

Hollandite

Peridot

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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

5.051.54-1.55

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal

1.6 Cleavage

Distinct / Good, Prismatic

Poor

1.7 Mohs Hardness

4-66.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Hollandite and Peridot Chemical Formula

While comparing Hollandite and Peridot 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 Peridot chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Hollandite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.