Ajoite and Montebrasite Physical Properties

Ajoite

Montebrasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.98-3.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

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

1.7 Mohs Hardness

55.5-6

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Montebrasite Chemical Formula

While comparing Ajoite 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 Ajoite and Montebrasite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Ajoite and Montebrasite Specific Gravity

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