Fayalite and Diaspore Physical Properties

Fayalite

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

4.3923.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{010} moderate, {100} imperfect

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

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Fayalite and Diaspore Chemical Formula

While comparing Fayalite 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 Fayalite and Diaspore chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Fayalite and Diaspore Specific Gravity

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