Uvite and Natrolite Physical Properties

Uvite

Natrolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.142.20-2.26

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

{1011} Indistinct

Perfect on {110}

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Uvite and Natrolite Chemical Formula

While comparing Uvite and Natrolite 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 Uvite and Natrolite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Uvite and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvite and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Uvite is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.