Amblygonite and Vivianite Physical Properties

Amblygonite

Vivianite

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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

2.98-3.102.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

6Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Amblygonite and Vivianite Chemical Formula

While comparing Amblygonite and Vivianite 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 Vivianite 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 Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Amblygonite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.