Gaylussite and Diaspore Physical Properties

Gaylussite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

decomposes in water

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.93-1.993.30-3.40

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

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

Gaylussite and Diaspore Chemical Formula

While comparing Gaylussite and Diaspore 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 Gaylussite and Diaspore chemical formula.

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

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Gaylussite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gaylussite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gaylussite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Gaylussite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.