Meionite and Sillimanite Physical Properties

Meionite

Sillimanite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.20-3.26

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

{???} Distinct, {???} Indistinct

{010} perfect

1.7 Mohs Hardness

5-66-7.5

2 10

1.8 Chemical Composition

3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Meionite and Sillimanite Chemical Formula

While comparing Meionite and Sillimanite 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 Meionite and Sillimanite chemical formula.

Chemical formula of Meionite- 3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Meionite Vs Papagoite

Meionite Vs Padparadscha

Meionite Vs Nosean

Meionite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Meionite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Meionite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Meionite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.