Amblygonite and Annabergite Physical Properties

Amblygonite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-3.103.07

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

Ni3(AsO4)2•8(H2O)

Amblygonite and Annabergite Chemical Formula

While comparing Amblygonite and Annabergite 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 Annabergite chemical formula.

Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Amblygonite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 3.07 whereas that of Annabergite is 3.07.