Moonstones
Moonstone.
Moonstone gemstones
Orthoclase adenoma moonstone gemstone
ムーンストーン
Moonstone
Rainbow moonstones
Sample of Labradorite
Opal gemstone
Moonstone necklace
Pachyphytum oviferum flowers
Opal
Diamonds
Diamond
Tool holding diamond
Round polished Common Opal
Elbaite mineral (tourmaline)
Tanzanite
Asscher cut diamond gemstone
Pink diamonds
Tourmaline crystals in quartz
Topaz specimens
Tourmaline specimen
Cursed amethyst
Demantoid
Emerald crystal, close up
Imperial Jade streaked with green
Prismatic amethyst crystal
Olivine peridot crystal, close up
Sherry Topaz
Cut Emerald gemstone
Grossular garnet crystals on rock surface
Five polished ruby gemstones
Lapis lazuli specimen
Diamonds and aquamarine gemstones
Colourful gemstones
Amethyst gemstones
Tool holding amethyst gemstone
Emeralds
Uncut diamonds
Peridot
Carbon
Tourmaline
Garnet gemstone
Grossular dodecahedral crystal
Emerald gemstones
Aquamarine gemstones
Raw aquamarine crystal
Assortment of Gemstones
Amethyst crystals
Peridot gemstones
Uncut diamond
Pyrargyrite crystals
Turquoise gemstone
Green hemimorphite in groundmass
Amethyst
Jade gemstones
Pallasite meteorite
Citrine
Nephrite crystals
Garnet-bearing rock
Opal gem necklace
Jade stone
Tourmaline gemstone
Indicolite tourmaline faceted stone
Watermelon tourmaline crystalline stone
Hawk's Eye quartz stone
Schorl tourmaline crystal stone
Opal in its host rock
Amethyst filled geode
Opal gem and rock
Garnet crystals on schist
Amethyst geode interior
Spessartine garnet
Garnet
Illustrations of Indian diamonds
Watermelon tourmaline
Topaz
Elbaite mineral
Dravite mineral
Andradite mineral
Topaz crystal in albite and microcline
Ironstone matrix with potch opal
Potch opal with smooth and rough surface
Amazonite mineral
Schorl and quartz crystals in groundmass
Turquoise on rock surface, close-up
Turquoise stone set in gold ring
Turquoise stones
Amethyst gemstone
Amethyst gemstones and crystal
Mystic topaz gemstone
Tiger eye
Quartz monzonite
Herkimer diamonds
Mineral samples
Aquamarine gems
Garnet.
Tarquoise.
Hawk's Eye
Tiger's Eye
Pieces of red spinel
Heat-treated amethyst
Sapphires
Rough diamond
Opal gemstones
Turquoise gemstones
Citrine gemstone
Diamonds and diamond ring
Diamond ring
Diamond necklace
Diamonds and gemology tools
Diamonds on a scoop
Raw amethyst crystal
Raw tourmaline crystal
Tourmaline gemstones and crystal
Almandine crystals in schist
Andradite crystals
Black tourmaline in mica schist
Almandine mineral sample
Olivine mineral sample
Agate in amethyst
Topaz crystals
Pyrope sand
Lapis lazuli
Fire opal
Mineral exploration drilling, Kenya
Diamond drill bit
Mining core samples, Kenya