Oval polished green Chrysoprase
Chrysoprase
Close-up of Chrysoprase, Newfane, Vermont
Polished oval Hawk's Eye Quartz
Oval polished Onyx
Polished sphere of ocean jasper
Jasp agate polished surface
Jasper polished stone
Cut and polished agate
Polished carnelian stone
Oval polished Smithsonite
Round polished Common Opal
Blue lace agate
Assortment of Gemstones
Carnelia
Geode, thin section micrograph
緑玉髄 クリソプレーズ
Cut and polished jasper
Carnelian agate
Iron oxide precipitation in agate
Agate in amethyst
Laguna agate
Moctezuma agate
Agua Nueva agate
Cryptocrystalline agate
Thunder egg agate
Vein agate
Mounted India dendritic agate
Blue sapphire stone
Blue Sapphire uncut stone
Opal gem necklace
Jade stone
Agate mineral rock cross section
Jasp agate stone
Agate
Cabuchon gemstones of jasper
Egyptian jasper stone
Botswana agate stones
Round agate geode
Round agate thunderegg
Two agate thundereggs
Agate slice
Botswana agate stone
Dyed agate slice
Moss Agate stone
Amethyst geode
Amethyst stone
Banded Amethyst stone
Amethyst
Beryl stone
Chalcopyrite
Chiastolite stone
Garnet gemstone
Fortification agate
Amethyst filled geode
Agate geode
Concentric banding in agate
Amethyst and chalcedony
Red jasper mineral
Oval Sunstone gemstone
Agate surface
Agate thunderegg
Polished Esterel rhyolite agate
Jasper
Jasper breccia rock
Agate stone cross section and patterns
Flame agate stone pattern
Agate stone patterns
Three calcite crystals
Polished sphere of orbicular jasper
Star sapphire stone
Green calcite crystal
Celestite crystals
Banded texture in agate
Opal
Oval cut Sphene gemstone
Polished tiger's eye stone
Calcite crystal
Calcite
Fuchsite mineral stone
Kyanite crystal
Labradorite rock crystals
Jasper, polarised light micrograph
Oval cut Apatite gemstone
Labradorite sunstone
Turquoise gemstone
Agate, artificially coloured
Iris agate
Fairburn agate
Union road agate
Lysite agate
Moss agate
Lake Superior agate
Paint rock agate
Agatised coral
Paul Bunyon plume agate
Siam Siding agate
Plume agate
Fourth of July Butte agate
Pompon agate
Regency rose agate
Blue Bed thunder egg agate
Priday plume agate
Antelope agate
Sweet home agate
Coyamito agate
Bubble lace agate
Condor agate
Sweetwater agates
Sagenitic agate
Montana moss agate
Frieda thunder egg agate
Succor Creek thunder egg agate
Oregon Beach agates
Omineca agate
Crater agate
Ocean jasper agate
Queensland agate
1888 colour lithograph of minerals
Botryoidal chalcedony, close-up
Aventurine gemstone
瑪瑙
Carnelian
Sard Onyx layered Agate
Brecciated Agate stone
Bloodstone
Bloodstone specimen
leopard skin
Quartz monzonite
Quartz boulder
Brecciated quartz
Herkimer diamonds
Opal cabochons
Agate polished cross section
Agate polished stone pattern
Turritella agate
Amethyst geodes
Aragonite crystals