Minerals
Minerals
get information about a mineral
topaz
compare several minerals
hematite, magnetite, chromite
Properties of Minerals
request a property of a mineral
gypsum unit cell volume
olivine Mohs hardness
do computations with mineral properties
molecular weight curetonite / celestine
get information about a crystal system
trigonal crystal system
get data on a crystallographic point group
ditetragonal pyramidal point group
get information about a famous gem
Hope diamond
request a property of a famous gem
mass of the Delong Star Ruby
rank famous gems