Natrolite and Milarite Physical Properties

Natrolite

Milarite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.262.52-2.60

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Gemstones (2009)

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

1.6 Cleavage

Perfect on {110}

{0001} Imperfect, {1120} Imperfect

1.7 Mohs Hardness

5-5.55.5-6

2 10

1.8 Chemical Composition

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Natrolite and Milarite Chemical Formula

While comparing Natrolite 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 Natrolite and Milarite chemical formula.

Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare White Gemstones

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Natrolite Vs Pollucite

Natrolite and Milarite Specific Gravity

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