Riebeckite and Apache Tear Physical Properties

Riebeckite

Apache Tear

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.28-3.44-9999

1 7.18

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Fracture

Uneven, Splintery

Conchoidal

Cleavage

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

None

Mohs Hardness

5.0-6.05-5.5

2 10

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Chemical Composition

Na2Fe2+3Fe3+2Si8O22(OH)2

Riebeckite and Apache Tear Chemical Formula

While comparing Riebeckite and Apache Tear 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 Apache Tear chemical formula.

Chemical formula of Riebeckite- Na2Fe2+3Fe3+2Si8O22(OH)2
Chemical formula of Apache Tear- -

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Riebeckite and Apache Tear Specific Gravity

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