Raw aquamarine crystal
Aquamarine gemstones and crystal
Emerald crystal, close up
Emerald crystal in quartz
Beryl gem, cut stone
Emerald in quartz
Rough emeralds
Cordierite crystal
Aquamarine crystals
Mass of prismatic aquamarine crystals
Raw tourmaline crystal
Grossular dodecahedral crystal
Spinel crystal
Emeralds
Aquamarine crystal
Aquamarine gemstones
Prismatic beryl crystal
Corundum crystal
Torbernite crystal
Calcite crystal
Raw amethyst crystal
Raw citrine crystal
Prismatic amethyst crystal
Pseudomorphic crystal growth
Schorl tourmaline crystal stone
Silica rock crystal samples
Olivine peridot crystal, close up
Topaz crystal in albite and microcline
Aquamarine gems
Quartz crystal from Sentis, Switzerland.
Topaz specimens
Tourmaline crystals in quartz
Uncut diamonds
Indicolite tourmaline faceted stone
Elbaite mineral (tourmaline)
Azurite crystals
Agate mineral rock cross section
Jasp agate stone
Jasp agate polished surface
Tourmaline
Sapphire crystal
Quartz crystal
Uncut diamond
Aquamarine gemstone
Mimetite in prismatic crystal form
Tourmaline gemstones and crystal
Kyanite crystal
Raw garnet crystal
Ruby crystal and gems
Orange crystal
Ironstone matrix with potch opal
Grossular garnet crystals on rock surface
Schorl and quartz crystals in groundmass
Sphene crystals in groundmass, close-up
Quartz
Black tourmaline in mica schist
Native gold
Iron oxide precipitation in agate
Quartz crystals
Smoky quartz crystals
Andradite crystals
Magnetite in quartz
Cuprocassiterite in quartz mica schist
Citrine
Siderite mineral
Almandine mineral sample
Olivine mineral sample
Nephrite crystals
Titanite bearing granite
Titanite crystals in actinolite
Quartz in sphalerite
Molybdenite in quartz monzonite
Galenite and quartz crystals
Rose quartz mineral, artwork
Colourful crystals
Prasiolite mineral
Zeolite in quartz
Pyrolusite in quartz
Topaz crystals
Pyrope sand
Quartz polished stone
Opal gem necklace
Jade stone
Watermelon tourmaline crystalline stone
Hawk's Eye quartz stone
Tiger Eye quartz gemstone
Avanturine smooth gemstone
Egyptian jasper stone
Botswana agate stones
Round agate geode
Round agate thunderegg
Two agate thundereggs
Agate slice
Blue lace agate
Botswana agate stone
Dyed agate slice
Moss Agate stone
Amethyst stone
Banded Amethyst stone
Amethyst
Beryl stone
Calcite
Chalcopyrite
Chiastolite stone
Garnet gemstone
Jasper polished stone
Quartz filled concretion
Amethyst filled geode
Garnet crystals on schist
Tellurium in quartz
Hessite in quartz
Fire opal
Cut and polished agate
Chabazite crystals in quartz
Native gold on quartz
Quartz encrusted calcite crystals
Grossular crystals in host rock
Agate geode
Almandine crystals in schist
Pyrargyrite crystals
Orthoclase and quartz crystals
Amethyst geode interior
Spessartine garnet
Watermelon tourmaline
Elbaite mineral
Dravite mineral
Andradite mineral
Demantoid
Glacial sand deposit
Graphic granite rock
Peridotite
Garnet in peridotite
Granite
Amethyst and chalcedony
Aquamarine prismatic crystals
Quartz vein
Malachite
Blue sapphire stone
Blue Sapphire uncut stone
Lapis lazuli crystals
Cabuchon gemstones of jasper
Aquamarine crystal, a variety of Beryl
Aquamarine and muscovite
Ruby
Cassiterite crystal
Blue benitoite and white natrolite
Peridot
Aquamarine crystal, variety Beryl
Microdiamond crystal
Diamonds and aquamarine gemstones
Wedge shaped titanite crystal
Garnet crystal and rock
Tourmaline crystal specimen
Tourmaline crystal specimens