Hexagonite and Montebrasite Physical Properties

Hexagonite

Montebrasite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.98-3.032.98-3.10

1 7.18

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Fracture

Uneven

Uneven, Conchoidal

Cleavage

[110] perfect; [010] distinct

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

Mohs Hardness

5-65.5-6

2 10

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Chemical Composition

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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

Hexagonite and Montebrasite Chemical Formula

While comparing Hexagonite 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 Hexagonite and Montebrasite chemical formula.

Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Hexagonite and Montebrasite Specific Gravity

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