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Milarite
Milarite

Sillimanite
Sillimanite



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Milarite
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Sillimanite

Milarite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.52-2.60
Uneven, Conchoidal
{0001} Imperfect, {1120} Imperfect
5.5-6
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Milarite and Sillimanite Chemical Formula

While comparing Milarite 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 Milarite and Sillimanite chemical formula.

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Milarite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Milarite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milarite Vs Sillimanite during the identification of gemstone. Specific gravity of Milarite is whereas that of Sillimanite is .