Amblygonite and Staurolite Physical Properties

Amblygonite

Staurolite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.98-3.10

Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal

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

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

Brittle

3.7-3.8

Subconchoidal, Conchoidal

Distinct on {010}

7-7.5

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Amblygonite and Staurolite Chemical Formula

While comparing Amblygonite and Staurolite 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 Amblygonite and Staurolite chemical formula.

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Amblygonite and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite Vs Staurolite during the identification of gemstone. Specific gravity of Amblygonite is whereas that of Staurolite is .