Riebeckite and Anthophyllite Physical Properties

Riebeckite

Anthophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.442.9-3.5

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

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

1.7 Mohs Hardness

5.0-6.05.5-6

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Anthophyllite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Anthophyllite chemical formula.

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

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Riebeckite and Anthophyllite Specific Gravity

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