Strontianite and Diaspore Physical Properties

Strontianite

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

3.63-3.793.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

3.56.5-7

2 10

1.8 Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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

Strontianite and Diaspore Chemical Formula

While comparing Strontianite 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 Strontianite and Diaspore chemical formula.

Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Strontianite and Diaspore Specific Gravity

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