Hollandite and Moonstone Physical Properties

Hollandite

Moonstone

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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

5.05

2.56-2.60

1.5 Fracture

Brittle, Metallic

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Distinct / Good, Prismatic

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

4-6

6-6.5

1.8 Chemical Composition

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Hollandite and Moonstone Chemical Formula

While comparing Hollandite and Moonstone 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 Moonstone chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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Hollandite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.