sample of polished cryolite rock on white
raw molybdenum glass imitation moonstone on white
pebble of Eclogite stone isolated
sample of polished iridescent feldspar on black
unpolished lazulite mineral isolated on white
sample of polished gabbro mineral on white marble
polished actinolite mineral isolated on white
sample of polished richterite mineral on black
raw cordierite mineral isolated on white
raw albite rock isolated on white
piece of taconite stone isolated
rough rutile mineral isolated on white
tumbled labradorite gemstone isolated on white
sample of polished epidosite mineral on black
sample of raw verdelite crystal on white marble
sample of raw yellow mookaite mineral on black
unpolished green alexandrite mineral in daylight
sample of raw written granite rock on white marble
sample of rough grandidierite crystal on white
polished rhodolite crystal isolated on white
greenish rough Fluorite crystals on black
polished vesuvianite mineral isolated on white
specimen of Analcime (analcite, zeolite) crystals
uncut azurite and malachite mineral on black
sample of tumbled phyllite rock on white marble
raw red garnets in rock isolated on white
raw single rhodolite crystal isolated on whit
sample of raw sodalite mineral on white marble
sample of rough tanzanite mineral on black granite
rough blue apatite mineral isolated on white
