Mottramite and Anthophyllite Physical Properties

Mottramite

Anthophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.92.9-3.5

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

35.5-6

2 10

1.8 Chemical Composition

Not Available

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

Mottramite and Anthophyllite Chemical Formula

While comparing Mottramite 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 Mottramite 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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Mottramite and Anthophyllite Specific Gravity

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