Tourmaline Gemstone
Natural History Museum, London/science Photo Library
Tourmaline Gemstone #3
Natural History Museum, London/science Photo Library
Tourmaline Gemstone #5
Natural History Museum, London/science Photo Library
Tourmaline Gemstone #1
Natural History Museum, London/science Photo Library
Tourmaline Gemstone #2
Natural History Museum, London/science Photo Library
Tourmaline Gemstone #4
Natural History Museum, London/science Photo Library
Tourmaline Gemstone #6
Natural History Museum, London/science Photo Library
Chrysoberyl Yellow Beryllium Gemstone
Natural History Museum, London/science Photo Library
Jade Gemstones
Photostock-israel/science Photo Library
Semi-precious Stones
Sinclair Stammers/science Photo Library
Semi-precious Stones #1
Sinclair Stammers/science Photo Library
Aquamarine Crystal
Science Stock Photography/science Photo Library
Moonstones #1
Natural History Museum, London/science Photo Library
Alexandrite Stone
Natural History Museum, London/science Photo Library
Moonstones
Natural History Museum, London/science Photo Library
Turquoise Stone
Natural History Museum, London/science Photo Library
Healing Gemstones #2
Cordelia Molloy
Tiger Eye Ochre Gemstones
Photostock-israel/science Photo Library
Carnelian Gemstone
Natural History Museum, London/science Photo Library
Sapphire Gemstone
Natural History Museum, London/science Photo Library
Tiger Eye Gemstone
Natural History Museum, London/science Photo Library
Opal Gemstone
Natural History Museum, London/science Photo Library
Semi Precious Gemstones
K Jayaram/science Photo Library
Gemstones And Light Dispersion
Natural History Museum, London/science Photo Library
Amethyst Crystals
Lawrence Lawry/science Photo Library
Brecciated Agate Stone #1
Natural History Museum, London/science Photo Library
Citrine And Sapphire Gemstones
Natural History Museum, London/science Photo Library
Group Of Cut Gemstones
Natural History Museum, London/science Photo Library
Tourmaline Gemstones
Lawrence Lawry/science Photo Library
Group Of Cut Gemstones #1
Natural History Museum, London/science Photo Library
Group Of Cut Gemstones #3
Natural History Museum, London/science Photo Library
Hope Chrysoberyl Gemstone
Natural History Museum, London/science Photo Library
Polished Opal Gemstone
Science Stock Photography/science Photo Library
Group Of Cut Gemstones #4
Natural History Museum, London/science Photo Library
Group Of Cut Gemstones #2
Natural History Museum, London/science Photo Library
Peridot Gemstones
Science Photo Library
Healing Gemstones #1
Cordelia Molloy
Orthoclase Adenoma Moonstone Gemstone
Natural History Museum, London/science Photo Library
Diamond Gemstone #2
Ktsdesign/science Photo Library
Diamond Gemstone #5
Ktsdesign/science Photo Library
Amethyst Gemstones
Science Photo Library
Jewellery With Gemstones And Diamonds
Science Photo Library
Aquamarine Gemstones And Crystal
Science Photo Library
Mystic Topaz Gemstone #2
Science Photo Library
Diamonds And Aquamarine Gemstones
Science Photo Library
Plagioclase Faceted Gemstone
Natural History Museum, London/science Photo Library
Cabuchon Gemstones Of Jasper
Natural History Museum, London/science Photo Library
Milky Quartz Gemstone
Natural History Museum, London/science Photo Library
Demantoid Garnet Gemstone
Natural History Museum, London/science Photo Library
Diamond Gemstone
Ktsdesign/science Photo Library
Tweezers Holding Alexandrite Gemstone
Science Photo Library
Colourful Gemstones
Science Photo Library
Mystic Topaz Gemstone
Science Photo Library
Colourful Gemstones #1
Science Photo Library
Pink Gemstones In The Shape Of Heart
Science Photo Library
Colourful Gemstones #2
Science Photo Library
Mystic Topaz Gemstone #1
Science Photo Library
Citrine Gemstone
Science Photo Library
Colourful Gemstones #3
Science Photo Library
Alexandrite Gemstone
Science Photo Library
Colourful Gemstones #4
Science Photo Library
Pink Gemstone In The Shape Of Heart
Science Photo Library
Mystic Topaz Gemstone #3
Science Photo Library
Amethyst Gemstones And Crystal
Science Photo Library
Colourful Gemstones #7
Science Photo Library
Tourmaline Gemstones And Crystal
Science Photo Library
Amethyst Gemstone
Science Photo Library
Citrine Gemstones And Crystal
Science Photo Library
Healing Gemstones #3
Cordelia Molloy
Black Opal Gemstone
Natural History Museum, London/science Photo Library
Dravite Gemstone
Natural History Museum, London/science Photo Library
Topaz Gemstone
Natural History Museum, London/science Photo Library