Diaspore and Gaylussite Physical Properties

Diaspore

Gaylussite

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

decomposes in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.401.93-1.99

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

perfect [110]

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Na2Ca(CO3)2•5(H2O)

Diaspore and Gaylussite Chemical Formula

While comparing Diaspore and Gaylussite 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 Diaspore and Gaylussite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)

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Diaspore and Gaylussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.