Helenite and Riebeckite Physical Properties

Helenite

Riebeckite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.28-3.44

1 7.18

1.5 Fracture

Not Available

Uneven, Splintery, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available5.0-6.0

2 10

1.8 Chemical Composition

Not Available

Helenite and Riebeckite Chemical Formula

While comparing Helenite 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 Helenite and Riebeckite chemical formula.

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Helenite and Riebeckite Specific Gravity

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