adamant
aggregate
antimony
arsenic
bluegold
cadmium
calcite
cavnic
crystal
crystalline
druse
earth
galena
galenite
gemstone
geodes
geology
gray
grey
hydrothermal
industrial
industry
lead
lustrous
marcasite
metal
metallic
mineral
mineralogy
mining
nature
ore
pegmatite
plumbum
pyrite
quartz
rare
semiprecious
silver
specimen
stone
sulphide
white
zinc