Aquamarine gemstones and crystal
Aquamarine gemstones
Raw aquamarine crystal
Diamonds and aquamarine gemstones
Amethyst gemstones and crystal
Citrine gemstones and crystal
Colourful gemstones
Emerald crystal in quartz
Emerald crystal, close up
Emeralds
Beryl gem, cut stone
Emerald in quartz
Rough emeralds
Cordierite crystal
Spinel crystal
Aquamarine crystals
Cabuchon gemstones of jasper
Mass of prismatic aquamarine crystals
Prismatic beryl crystal
Wedge shaped titanite crystal
Grossular dodecahedral crystal
Tourmaline gemstones and crystal
Sapphire crystal
Cut Aquamarine gemstone
Uncut diamond
Synthetic gemstones
Corundum crystal
Torbernite crystal
Aquamarine crystal
Calcite crystal
Kyanite crystal
Cassiterite crystal
Amethyst gemstones
Aquamarine gems
Cut Rose Quartz gemstone
Pseudomorphic crystal growth
Schorl tourmaline crystal stone
Ruby crystal and gems
Silica rock crystal samples
Prismatic amethyst crystal
Orange crystal
Olivine peridot crystal, close up
Topaz crystal in albite and microcline
Aquamarine gemstone
Aquamarine prismatic crystals
Tourmaline crystals in quartz
Topaz specimens
Uncut diamonds
Blue sapphire stone
Blue Sapphire uncut stone
Indicolite tourmaline faceted stone
Lapis lazuli crystals
Amethyst
Agate mineral rock cross section
Jasp agate stone
Jasp agate polished surface
Tourmaline
Azurite crystals
Elbaite mineral (tourmaline)
Aquamarine and muscovite
Emerald gemstones
Quartz crystal from Sentis, Switzerland.
Ruby
Mimetite in prismatic crystal form
Diamond gemstones
Microdiamond crystal
Peridot gemstones
Raw amethyst crystal
Raw citrine crystal
Raw garnet crystal
Raw tourmaline crystal
Tanzanite
Garnet crystal and rock
Tourmaline crystal specimen
Tourmaline crystal specimens
Pallasite meteorite
Almandine crystals in schist
Native gold
Iron oxide precipitation in agate
Quartz crystals
Crystals of haematite in quartz
Smoky quartz crystals
Andradite crystals
Magnetite in quartz
Black tourmaline in mica schist
Cuprocassiterite in quartz mica schist
Citrine
Siderite mineral
Quartz
Almandine mineral sample
Olivine mineral sample
Garnets in micaschist, light micrograph
Nephrite crystals
Tremolite 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
Tourmaline gemstone
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 geode
Amethyst stone
Banded Amethyst stone
Beryl stone
Calcite
Chalcopyrite
Chiastolite stone
Fuchsite mineral stone
Garnet gemstone
Jasper polished stone
Labradorite rock crystals
Quartz filled concretion
Amethyst filled geode
Clinochlore with garnets
Garnet crystals on schist
Tellurium in quartz
Hessite in quartz
Quartz vein in granite
Fire opal
Quartz and cassiterite crystals
Cut and polished agate
Chabazite crystals in quartz
Native gold on quartz
Pyrargyrite crystals
Quartz encrusted calcite crystals
Opalised fossil
Grossular crystals in host rock
Agate geode
Orthoclase and quartz crystals
First laser
Amethyst geode interior
Spessartine garnet
Watermelon tourmaline
Crushed diamond, SEM