Marialite and Herderite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.50
2.90-3.02
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Distinct on {100} and {110}
Indistinct on {110}
Mohs Hardness
5.5-6
5-5.5
Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Marialite and Herderite Chemical Formula
While comparing Marialite 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 Marialite and Herderite chemical formula.
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Marialite and Herderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marialite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Marialite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.