Shigaite and Diaspore Physical Properties

Shigaite

Diaspore

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.323.30-3.40

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

26.5-7

2 10

1.8 Chemical Composition

Not Available

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

Shigaite and Diaspore Chemical Formula

While comparing Shigaite 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 Shigaite 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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Shigaite and Diaspore Specific Gravity

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