Natrolite and Chrome-Chalcedony Physical Properties

Natrolite

Chrome-Chalcedony

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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

2.20-2.262.55-2.70

1 7.18

2.5 Fracture

Uneven, Brittle, Metallic, Gemstones (2009)

Not Available

2.6 Cleavage

Perfect on {110}

Not Available

2.7 Mohs Hardness

5-5.56.5-7

2 10

2.11 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Natrolite and Chrome-Chalcedony Chemical Formula

While comparing Natrolite and Chrome-Chalcedony 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 Chrome-Chalcedony 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 Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Natrolite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.