Glaucophane and Montebrasite Physical Properties

Glaucophane

Montebrasite

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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

3-3.152.98-3.10

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

Good on [110] and on [001]

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

1.7 Mohs Hardness

6.0-6.55.5-6

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Montebrasite Chemical Formula

While comparing Glaucophane 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 Glaucophane and Montebrasite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Glaucophane and Montebrasite Specific Gravity

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