Natrolite and Cinnabar Physical Properties
Tenacity
Brittle
Slightly sectile
Solubility
Not Available
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Durability
Not Available
Not Available
Specific Gravity
2.20-2.26
2
Fracture
Uneven, Brittle, Metallic, Gemstones (2009)
Uneven, Uneven, Gemstones (2009), Brittle
Cleavage
Perfect on {110}
Prismatic {10 1 0}, perfect
Mohs Hardness
5-5.5
2-2.5
Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Natrolite and Cinnabar Chemical Formula
While comparing Natrolite and Cinnabar 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 Cinnabar 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 Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Natrolite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Natrolite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 2 whereas that of Cinnabar is 2.