Mottramite and Riebeckite Physical Properties

Mottramite

Riebeckite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.93.28-3.44

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Uneven, Splintery, Brittle

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

35.0-6.0

2 10

1.8 Chemical Composition

Not Available

Mottramite and Riebeckite Chemical Formula

While comparing Mottramite and Riebeckite 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 Riebeckite chemical formula.

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Mottramite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.