Jade stone
Opal gem necklace
Blue sapphire stone
Blue Sapphire uncut stone
Amethyst geode
Egyptian jasper stone
Botswana agate stones
Round agate geode
Round agate thunderegg
Two agate thundereggs
Agate slice
Blue lace agate
Botswana agate stone
Amethyst
Amethyst geodes
Citrine
Hawk's Eye quartz stone
Schorl tourmaline crystal stone
Fuchsite mineral stone
Garnet gemstone
Amethyst filled geode
Amethyst and chalcedony
Nephrite crystals
Turritella agate
Carnelian gemstone
Garnet crystal and rock
Yellow Jasper
Leopardskin jasper stone
Indicolite tourmaline faceted stone
Watermelon tourmaline crystalline stone
Garnet crystals on schist
Pyrargyrite crystals
Maori Greenstone Jade
Quartz
Quartz polished stone
Tiger Eye quartz gemstone
Avanturine smooth gemstone
Quartz filled concretion
Malachite mineral stone
Assortment of Gemstones
Carnelian agate
Tremolite crystals
Spotted Jasper stone
Iron oxide precipitation in agate
Agate mineral rock cross section
Jasp agate stone
Jasp agate polished surface
Dyed agate slice
Moss Agate stone
Amethyst stone
Banded Amethyst stone
Beryl stone
Chalcopyrite
Chiastolite stone
Jasper polished stone
Cut and polished agate
Agate geode
Agate stone cross section and patterns
Flame agate stone pattern
Agate stone patterns
Three calcite crystals
Unakite mineral stone
Zeolite crystal
Hope Chrysoberyl gemstone
Crystalline limestone rock
Basaltic dyke rock
Jasp agate cabuchon
Moss agate marble pattern
Cross section of hollow agate
Cross section of jasp agate
Cross section of agate
Agate polished cross section
Agate polished stone pattern
Mocha agate with veined pattern
Agate with round centre
Agate cross section and layers
Agate stone cross section
Dolomite mineral
Gypsum stone
Star sapphire stone
Prismatic amethyst crystal
Schorl and quartz crystals in groundmass
Amethyst geode interior
Quartz crystals
Quartz crystal
Tourmaline gemstone
Geode, thin section micrograph
Peridot
Cabuchon gemstones of jasper
Ruby
Calcite crystal
Calcite
Emerald crystal, close up
Rough emeralds
Jade sword handle
Brecciated Agate stone
Desert rose mineral clusters
Haematite mineral rock
Imperial Jade streaked with green
Carnelian
Sard Onyx layered Agate
Cut and polished jasper
Jasper
Jade gemstones
Tourmaline crystals in quartz
Agate in amethyst
Cut agate
Sodalite stone
Sulphur mineral crystal
Padparadscha gemstone
Slice of dyed agate
Azurite copper ore stone
Concentric banding in agate
Kyanite crystal
Labradorite rock crystals
Rutilated quartz
Emeralds
Smoky quartz crystals
Rose quartz mineral, artwork
Elbaite on albite and quartz
Tourmaline gemstones in quartz
Heat-treated amethyst
Amethyst crystals
Geode interior
Mounted India dendritic agate
Quartz mineral stone
Smokey Quartz gemstone
Dendritic crystals in chalcedony
Agate Bridge at Petrified Forest, Arizona
Opal
Citrine crystals
Aragonite crystals
Brecciated Jasper stone
Fire agate
Tiger eye
Carnelia
leopard skin
Dendritic mineralisations in chalcedony
Agate objects
Raw amethyst crystal
Raw citrine crystal
Tourmaline in quartz
Tourmaline quartz
Calcite on amethyst