Hollandite and Andradite Garnet Physical Properties

Hollandite

Andradite Garnet

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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

5.053.8-3.9

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

Distinct / Good, Prismatic

None

1.7 Mohs Hardness

4-66.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Hollandite and Andradite Garnet Chemical Formula

While comparing Hollandite and Andradite Garnet 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 Andradite Garnet chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Hollandite Vs Larvikite

Hollandite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.