precious stone
agate
amber
amethyst
aquamarine
background
blue
calcite
clinochlore
closeup
collection
colorful
crystal
dotalite
gem
gemstone
geology
glass
hydrothermal
isolated
isolated on white
matrix
mineral
mineralogy
natural
nature
ore
pegmatite
pink tourmaline
precious
purple
quartz
quartzcoated fluorite
raw
rock
russia
sample
set
soviet union
stone
topaz
tourmaline
turquoise
unique
watermelon tourmaline
white