Bertrandite and Amblygonite Physical Properties

Bertrandite

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

2.59-2.602.98-3.10

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

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

1.7 Mohs Hardness

6-76

2 10

1.8 Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Bertrandite and Amblygonite Chemical Formula

While comparing Bertrandite 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 Bertrandite and Amblygonite chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
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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Bertrandite and Amblygonite Specific Gravity

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