Natrolite and Anglesite Physical Properties

Natrolite

Anglesite

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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

2.20-2.266.30-6.39

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Gemstones (2009)

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Perfect on {110}

[001] good, [210] distinct

1.7 Mohs Hardness

5-5.53-3.5

2 10

1.8 Chemical Composition

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

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Natrolite and Anglesite Chemical Formula

While comparing Natrolite and Anglesite 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 Anglesite 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 Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Natrolite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.