Helenite and Diaspore Physical Properties

Helenite

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

Not Available

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

Not Available

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

Helenite and Diaspore Chemical Formula

While comparing Helenite 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 Helenite and Diaspore chemical formula.

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

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Helenite and Diaspore Specific Gravity

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