unpolished adularia moonstone mineral on black
rough lithiophorite mineral on white marble
sample of raw indigolite crystal on black granite
sample of raw opal mineral on black granite
raw piemontite mineral isolated on white
unpolished eudidymite mineral isolated on white
sample of rough moldavite tektite glass on black
sample of raw green kyanite mineral on black
sample of rough sugilite mineral on white marble
various samples of raw hyacinth minerals isolated
unpolished melilite mineral isolated on white
raw brown mookaite mineral isolated on white
unpolished trass chernomorite mineral isolated
sample of raw herderite mineral on black granite
various samples of raw pyrite minerals isolated
raw amethyst quartz crystal isolated on white
nepheline with sphene, feldspar mineral on white
raw benitoite crystal mineral isolated on white
rough single grossular garnet crystal on black
sample of raw rhodonite rock on black granite
sample of rough dark labradorite rock on black
yellow heliodor crystal isolated on white
raw black tourmaline schorl mineral on white
raw fluorite mineral isolated on white
rough goshenite colorless beryl rock on black
sample of rough obsidian rock on black
striped raw obsidian volcanic glass isolated
sample of rough grandidierite crystal on white
various samples of raw larimar minerals isolated
raw colorless sapphire mineral isolated on white
