Simpsonite and Diaspore Physical Properties

Simpsonite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

None

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

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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

Simpsonite and Diaspore Chemical Formula

While comparing Simpsonite 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 Simpsonite and Diaspore chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Simpsonite and Diaspore Specific Gravity

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