Xonotlite and Almandine Physical Properties

Xonotlite

Almandine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.71-2.723.95-4.30

1 7.18

1.5 Fracture

Handbook of mineralogy (2001), Difficult, Fibrous

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

1.6 Cleavage

{???} Good

none

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Xonotlite and Almandine Chemical Formula

While comparing Xonotlite and Almandine 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 Xonotlite and Almandine chemical formula.

Chemical formula of Xonotlite- Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Xonotlite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Xonotlite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Xonotlite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Xonotlite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.