Hercynite and Amblygonite Physical Properties

Hercynite

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

4.392.98-3.10

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

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

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

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

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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

Hercynite and Amblygonite Chemical Formula

While comparing Hercynite 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 Hercynite and Amblygonite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
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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Hercynite and Amblygonite Specific Gravity

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