Dumortierite and Amblygonite Physical Properties

Dumortierite

Amblygonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.26-3.412.98-3.10

1 7.18

1.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

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

1.7 Mohs Hardness

7-8.56

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

Dumortierite and Amblygonite Chemical Formula

While comparing Dumortierite 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 Dumortierite and Amblygonite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
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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Dumortierite and Amblygonite Specific Gravity

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