unpolished green sphene mineral isolated on white
Polished Chrysocolla Gem Stone Mineral on Wood
unpolished dravite tourmaline crystal isolated
unpolished blue aragonite mineral isolated
raw molybdenite and chalcopyrite in beryl mineral
sample of rough green labradorite rock on black
unpolished written granite mineral isolated
tumbled labradorite gemstone isolated
raw verdelite crystal isolated on white
rough indicolite crystal isolated on white
tumbled stromatolite gemstone from Peru isolated
unpolished anthraconite mineral isolated
unpolished amazonite mineral isolated on white
various samples of raw cryolite minerals isolated
sample of raw stilbite crystals on white marble
sample of raw iceland spar mineral on black
sample of unpolished agate mineral on white marble
one Smoky quartz (smoky topaz) gem stone
raw single green grossular garnet crystal on black
sample of raw amethyst quartz crystal on black
green Garnierite stone (nickel ore) isolated
tumbled Anthophyllite gemstone isolated
sample of raw phenakite stone on white marble
pebble of limestone stone isolated
unworked purple striped fluorite mineral on white
sample of raw pink spinel crystal on black granite
sample of polished kataranskite mineral on black
raw yellow green sapphire corundum on white marble
sample of rough common opal rock on black
sample of raw rock crystal mineral on white marble
