Riebeckite and Amblygonite Physical Properties

Riebeckite

Amblygonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.44

2.98-3.10

1.5 Fracture

Uneven, Splintery, Brittle

Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

[100] Perfect, [110] Good, [011] Distinct

1.7 Mohs Hardness

5.0-6.0

1.8 Chemical Composition

Not Available

(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Riebeckite and Amblygonite Chemical Formula

While comparing Riebeckite and Amblygonite 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 Amblygonite chemical formula.

Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Riebeckite and Amblygonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.