Hollandite and Anthophyllite Physical Properties

Hollandite

Anthophyllite

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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

5.052.9-3.5

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Distinct / Good, Prismatic

{110} Perfect, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

4-65.5-6

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Hollandite and Anthophyllite Chemical Formula

While comparing Hollandite and Anthophyllite 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 Anthophyllite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Hollandite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.