Hollandite and Amblygonite Physical Properties

Hollandite

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

5.052.98-3.10

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Distinct / Good, Prismatic

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

1.7 Mohs Hardness

4-66

2 10

1.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

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

Hollandite and Amblygonite Chemical Formula

While comparing Hollandite 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 Hollandite and Amblygonite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
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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Hollandite and Amblygonite Specific Gravity

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