Montebrasite and Allanite Physical Properties

Montebrasite

Allanite

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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

2.98-3.103.40-4.20

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

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

Not Available

Montebrasite and Allanite Chemical Formula

While comparing Montebrasite and Allanite 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 Montebrasite and Allanite chemical formula.

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

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Montebrasite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.