Sanidine and Montebrasite Physical Properties

Sanidine

Montebrasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.54-2.612.98-3.10

1 7.18

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Fracture

Uneven

Uneven, Conchoidal

Cleavage

{001} Perfect, {010} Good

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

Mohs Hardness

65.5-6

2 10

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Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sanidine and Montebrasite Chemical Formula

While comparing Sanidine 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 Sanidine and Montebrasite chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Sanidine and Montebrasite Specific Gravity

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