Sylvite and Montebrasite Physical Properties

Sylvite

Montebrasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.98-3.10

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect on [100], [010], [001]

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

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Montebrasite Chemical Formula

While comparing Sylvite 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 Sylvite and Montebrasite 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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Sylvite and Montebrasite Specific Gravity

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