Thulite and Milarite Physical Properties

Thulite

Milarite

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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

3.12.52-2.60

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

Perfect {010} imperfect {100}

{0001} Imperfect, {1120} Imperfect

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Thulite and Milarite Chemical Formula

While comparing Thulite and Milarite 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 Thulite and Milarite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Thulite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.