Milarite and Riebeckite Physical Properties

Milarite

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

2.52-2.603.28-3.44

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

Uneven, Splintery, Brittle

1.6 Cleavage

{0001} Imperfect, {1120} Imperfect

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

1.7 Mohs Hardness

5.5-65.0-6.0

2 10

1.8 Chemical Composition

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Milarite and Riebeckite Chemical Formula

While comparing Milarite 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 Milarite and Riebeckite chemical formula.

Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Milarite and Riebeckite Specific Gravity

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