Emerald crystal, close up
Emeralds
Rough emeralds
Rough emerald
Emerald gemstones
Uncut emeralds
Emerald in quartz I
Emerald in quartz II
Emerald
Peridot
Cut Emerald gemstone
Emerald crystal, Colombia
Round cut emerald
Oval cut emerald
Radiant cut emerald
Trillion cut emerald
Emerald crystal in quartz
Nephrite crystals
Aquamarine prismatic crystals
Olivine peridot crystal, close up
Jade stone
Zaratite
Emerald, SEM
Emerald in quartz
Topaz crystal in albite and microcline
Raw aquamarine crystal
Five unpolished emerald rocks, close up
Mass of prismatic aquamarine crystals
Aquamarine crystals
Tremolite crystals
Trillion cut peridot
Prismatic amethyst crystal
Schorl tourmaline crystal stone
Grossular dodecahedral crystal
Schorl and quartz crystals in groundmass
Black tourmaline in mica schist
Garnet crystals on schist
Almandine crystals in schist
Peridotite
Garnet in peridotite
Elbaite mineral (tourmaline)
Aquamarine and muscovite
Beryl gem, cut stone
Kornerupine gemstone
Emerald in tweezers, studio shot
Ruby crystal and gems
Heat-treated amethyst
Opalised fossil
Ironstone matrix with potch opal
Grossular garnet crystals on rock surface
Andradite crystals
Citrine
Almandine mineral sample
Olivine mineral sample
Topaz crystals
Pyrope sand
Opal gem necklace
Indicolite tourmaline faceted stone
Watermelon tourmaline crystalline stone
Hawk's Eye quartz stone
Garnet gemstone
Amethyst filled geode
Fire opal
Topaz specimens
Grossular crystals in host rock
Pyrargyrite crystals
Amethyst geode interior
Tourmaline
Spessartine garnet
Watermelon tourmaline
Elbaite mineral
Dravite mineral
Andradite mineral
Demantoid
Tourmaline crystals in quartz
Uncut diamonds
Amethyst and chalcedony
Emerald cut diamond gemstone
Colourful gemstones
Aquamarine on muscovite
Aquamarine crystal
Prismatic beryl crystal
Microdiamond crystal
Sapphire crystal
Cordierite crystal
Calcite crystal
Aquamarine gemstones and crystal
Imperial Jade streaked with green
Green hemimorphite in groundmass
Tourmaline crystal specimen
Tourmaline crystal specimens
Jade sword handle
Pseudomorphic crystal growth
Silica rock crystal samples
Uncut diamond
Amethyst geode
Amethyst
Garnets in micaschist, light micrograph
Blue sapphire stone
Blue Sapphire uncut stone
Clinochlore with garnets
Crushed diamond, SEM
Amethyst crystals
Lapis lazuli crystals
Elbaite on albite and quartz
Wollastonite with kolophonite
Tourmaline crystals in quartzite
Sphene crystals in groundmass, close-up
Native gold
Titanite bearing granite
Quartz filled concretion
Graphic granite rock
Granite
Tourmaline crystal
Tourmaline embedded in feldspar rock
Quartz crystal from Sentis, Switzerland.
Raw amethyst crystal
Raw citrine crystal
Raw tourmaline crystal
Tourmaline gemstones and crystal
Deformation of garnet crystal
Emerald in host rock
Single amethyst crystal, close up
Titanite crystals in actinolite
Tourmaline Pegmatite
Lazurite crystals in a matrix of calcite
Topaz
Torbernite crystal
Aquamarine in muscovite
Aquamarine gems
Jade gemstones
Pallasite meteorite
Tourmaline gemstone
First laser
Aquamarine gemstone
Spinel crystal
Kyanite crystal
Peridot gemstone
Rare bright green Uvarovite Garnet
Graphic tourmaline, light micrograph
Wedge shaped titanite crystal
Asscher cut diamond gemstone
Pink diamonds
Mineral samples
Opal
Cut diamond
Ruby