Catapleiite and Erythrite Physical Properties
Tenacity
Not Available
Sectile
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.72
3.06
Fracture
Brittle, Metallic, Brittle, Metallic
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Cleavage
{110} Perfect, {010} Perfect
Perfect on {010}; poor on {100} and { 1 02}.
Mohs Hardness
5-6
Not Available
Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Co3(AsO4)2•8(H2O)
Catapleiite and Erythrite Chemical Formula
While comparing Catapleiite and Erythrite 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 Catapleiite and Erythrite chemical formula.
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Catapleiite and Erythrite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Catapleiite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 3.06 whereas that of Erythrite is 3.06.