Amblygonite and Montebrasite Physical Properties

Amblygonite

Montebrasite

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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

2.98-3.102.98-3.10

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

{100} Perfect, {110} Good, {011} Distinct

1.7 Mohs Hardness

65.5-6

2 10

1.8 Chemical Composition

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

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Amblygonite and Montebrasite Chemical Formula

While comparing Amblygonite and Montebrasite 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 Montebrasite 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 Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Amblygonite and Montebrasite Specific Gravity

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