Riebeckite and Mottramite Physical Properties

Riebeckite

Mottramite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.445.9

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

5.0-6.03

2 10

1.8 Chemical Composition

Not Available

Riebeckite and Mottramite Chemical Formula

While comparing Riebeckite and Mottramite 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 Mottramite chemical formula.

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Riebeckite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 5.9 whereas that of Mottramite is 5.9.