Tiger eye
Tiger's Eye
Tiger Eye.
Tiger eye ochre gemstones
Tiger Eye quartz gemstone
Tiger's eye mineral, light micrgraph
Deformation in tiger ironstone
Tiger's eye and Hawk's eye gemstones
Tiger eye gemstone
Polished tiger's eye stone
Banded iron formation
Fluorite
Azurite crystals
Carnelian agate
Quartz
Cut and polished jasper
Tourmaline
Blue lace agate
Rough emerald
Citrine
Hawk's Eye
Quartz monzonite
Herkimer diamonds
Tiger eye, polished surface
Tiger eye, light micrograph
Ruby
Jasper
Quartz boulder
Brecciated quartz
Jasper breccia rock
Asscher cut diamond gemstone
Pink diamonds
Amethyst
Hawk's Eye quartz stone
Imperial Jade streaked with green
Tigers Eye Crystal
Turquoise mineral
Axinite
Opal specimen
Raw aquamarine crystal
Quartz crystals
Opal
Peridot
Siderite mineral
Cubic zirconia
Nephrite crystals
Moonstone gemstones
Titanite bearing granite
Pseudomorphic crystal growth
Titanite crystals in actinolite
Quartz in sphalerite
Molybdenite in quartz monzonite
Laguna agate
Moctezuma agate
Cryptocrystalline agate
Thunder egg agate
Vein agate
Chrysoprase
Mounted India dendritic agate
Colourful crystals
Mahogany obsidian
Quartz polished stone
Garnet-bearing rock
Opal gem necklace
Jade stone
Indicolite tourmaline faceted stone
Watermelon tourmaline crystalline stone
Avanturine smooth gemstone
Beryl gem, cut stone
Schorl tourmaline crystal stone
Agate mineral rock cross section
Jasp agate stone
Jasp agate polished surface
Egyptian jasper stone
Botswana agate stones
Round agate geode
Round agate thunderegg
Two agate thundereggs
Agate slice
Botswana agate stone
Opal in its host rock
Quartz filled concretion
Amethyst filled geode
Aventurine
Opal gem and rock
Garnet crystals on schist
Tellurium in quartz
Fortification agate
Agate
Quartz encrusted calcite crystals
Topaz specimens
Pyrargyrite crystals
Amethyst geode interior
Spessartine garnet
Garnet
Garnet gemstone
Tourmaline specimen
Illustrations of Indian diamonds
Watermelon tourmaline
Topaz
Cursed amethyst
Grossular dodecahedral crystal
Elbaite mineral
Dravite mineral
Andradite mineral
Demantoid
Tourmaline crystals in quartz
Uncut diamonds
Lapis lazuli specimen
Topaz crystal in albite and microcline
Emerald crystal, close up
Ironstone matrix with potch opal
Prismatic amethyst crystal
Olivine peridot crystal, close up
Potch opal with smooth and rough surface
Grossular garnet crystals on rock surface
Schorl and quartz crystals in groundmass
Turquoise on rock surface, close-up
Elbaite mineral (tourmaline)
Sphene crystals in groundmass, close-up
Five polished ruby gemstones
Aventurine gemstone
Sand, SEM
Sample of limestone
Amber
Tiger eye, thin section micrograph
Turquoise specimen and polished stone
Opal gemstone
Opal specimens
Gemstones, composite image
Rough diamond
Quartz mineral stone
Star sapphire stone
Green Avanturine Quartz gemstone
Smokey Quartz gemstone
Milky Quartz gemstone
Sand
Quartz crystal mineral
A specimen of quartz
Uncut diamond from Africa
Crackle quartz
Cordierite crystal
Rutile crystals
Black tourmaline in mica schist
Native gold
Iron oxide precipitation in agate
Smoky quartz crystals
Sample of Labradorite
Andradite crystals
Magnetite in quartz
Cuprocassiterite in quartz mica schist
Almandine mineral sample
Olivine mineral sample
Quartz and schist outcrops
Galenite and quartz crystals
Agate in amethyst
Agua Nueva agate
Rose quartz mineral, artwork
Prasiolite mineral
Zeolite in quartz
Pyrolusite in quartz
Topaz crystals
Hertfordshire puddingstone
Pyrope sand
Dyed agate slice