Minerals with the same name may vary widely in appearance and composition, and very few are >99% (reagent grade) pure.
Gram formula weight (molecular mass) = 270.02
Minerals may vary in elemental composition and impurity levels.
is defined with respect to the entities below:
The entities below are defined with respect to:
Radioactive material (generic)
chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis