Montebrasite and Hexagonite Physical Properties

Montebrasite

Hexagonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.98-3.102.98-3.03

1 7.18

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Fracture

Uneven, Conchoidal

Uneven

Cleavage

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

[110] perfect; [010] distinct

Mohs Hardness

5.5-65-6

2 10

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Chemical Composition

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

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

Montebrasite and Hexagonite Chemical Formula

While comparing Montebrasite and Hexagonite 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 Hexagonite chemical formula.

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

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Montebrasite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.