background
bright
calcite
carbonates
chemical
chemistry
cleavage
colour
crystal
decorative
diaphaneity
fluorite
fracture
gems
gemstone
habit
halides
hardness
inorganic
jewelry
lustre
metallic
mineral
mineralogy
native elements
nature
oxides
parting
phosphates
quartz
rocks
shine
silicate
specific gravity
stones
streak
sulfates
sulfides
tenacity
texture
trinkets
vitreous
wall