Diaspore and Calcite Physical Properties

Diaspore

Calcite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.67-2.73

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

6.5-73

2 10

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Diaspore and Calcite Chemical Formula

While comparing Diaspore and Calcite 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 Calcite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Diaspore Vs Fayalite

Diaspore and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Calcite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 2.67-2.73 whereas that of Calcite is 2.67-2.73.