Cubic zirconia
Deformed quartz veins in slate
Quartz filled concretion
Devonian slates
Tourmaline mica in slate
Quartz and schist outcrops
Hertfordshire puddingstone
Zirconia gemstone and silver ring
Quartz monzonite
Herkimer diamonds
Tiger eye
Jasper
Quartz boulder
Brecciated quartz
Jasper breccia rock
Asscher cut diamond gemstone
Pink diamonds
Andelusite crystals in slate
Slate with pyrite
Titanite bearing granite
Mahogany obsidian
Garnet
Topaz crystal in albite and microcline
Emerald crystal, close up
Olivine peridot crystal, close up
Schorl and quartz crystals in groundmass
Sphene crystals in groundmass, close-up
Garnet crystals on schist
Banded flint
Fluorite
Slate, Brattleboro, Vermont, USA
Black tourmaline in mica schist
Native gold
Obsidian
Obsidian flow
Quartz vein in gneiss rock
Two-mica granite
Almandine crystals in schist
Quartz seam in schist
Graphic granite rock
Peridotite
Garnet in peridotite
Granite
Gneiss with garnet
Red sandstone
Red and white sandstone
Conglomerate rock
Quartz stalactites
Gemstones and light dispersion
Hawk's Eye
Tiger's Eye
Flint stone
Raw aquamarine crystal
Azurite crystals
Carnelian agate
Quartz
Quartz crystals
Opal
Peridot
Siderite mineral
Nephrite crystals
Moonstone gemstones
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
Garnet-bearing rock
Beryl gem, cut stone
Agate mineral rock cross section
Jasp agate stone
Jasp agate polished surface
Opal in its host rock
Amethyst filled geode
Aventurine
Opal gem and rock
Tellurium in quartz
Fortification agate
Agate
Quartz encrusted calcite crystals
Topaz specimens
Amethyst geode interior
Tourmaline
Spessartine 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
Imperial Jade streaked with green
Ironstone matrix with potch opal
Prismatic amethyst crystal
Potch opal with smooth and rough surface
Grossular garnet crystals on rock surface
Turquoise on rock surface, close-up
Elbaite mineral (tourmaline)
Five polished ruby gemstones
Citrine
Cut and polished jasper
Quartz polished stone
Opal gem necklace
Jade stone
Indicolite tourmaline faceted stone
Watermelon tourmaline crystalline stone
Hawk's Eye quartz stone
Tiger Eye quartz gemstone
Avanturine smooth gemstone
Schorl tourmaline crystal stone
Egyptian jasper stone
Botswana agate stones
Round agate geode
Round agate thunderegg
Two agate thundereggs
Agate slice
Blue lace agate
Botswana agate stone
Pyrargyrite crystals
Gemstones, composite image
Variety of Metamorphic Rocks
Welsh slate, close up
A piece of natural slate
Blue benitoite and white natrolite
エレガントイメージ
クリアイメージ
ラグジュアリーイメージ
Rough diamond
Septarian concretion in claystone
Surface flint, Sussex, UK
Ancient Roman columns
Mimetite in prismatic crystal form
Quartz vein in granite
Opalised fossil
Emeralds
Cordierite crystal
Rutile crystals
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
Galenite and quartz crystals