Milarite and Tourmaline Physical Properties

Milarite

Tourmaline

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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

2.52-2.602.85-3.35

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0001} Imperfect, {1120} Imperfect

Indistinct

1.7 Mohs Hardness

5.5-67-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Milarite and Tourmaline Chemical Formula

While comparing Milarite and Tourmaline 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 Tourmaline chemical formula.

Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Milarite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Milarite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milarite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Milarite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.