Chiastolite and Herderite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00-3.15
2.90-3.02
Fracture
Not Available
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Not Available
Indistinct on {110}
Mohs Hardness
5-5.5
5-5.5
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chiastolite and Herderite Chemical Formula
While comparing Chiastolite and Herderite 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 Chiastolite and Herderite chemical formula.
- Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
- Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chiastolite and Herderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chiastolite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chiastolite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Chiastolite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.