4651 - Sapphire turban button - A 'rose-cut' facetted deep-blue sapphire mounted in a button of quartz, inlaid with gold, rubies ...

3908 - Birthstone Series: Peridot - gemstones Perodot 009

1411 - Gemstones group shots - Gemstones group shots

1332 - Sapphire - Corundum variety Sapphire BM.77393 A pale yellow Sapphire, one of the gem varieties of Corundum, cut as a gemst...

758 - Gemstones group shots - Gemstones group shots

585 - Gemstones group shots - Gemstones group shots

432 - Gemstones group shots - Gemstones group shots

5355 - Turquoise - Picture 009

3910 - Birthstone Series: Topaz - gemstones topaz 018

4598 - Chrysoberyl - Chrysoberyl is beryllium aluminum oxide. Cymophane, or cat's eye and Alexandrite are two varients of chrysob...

4595 - Birthstone Series: Tourmaline - Tourmaline is the birthstone for the month of October (along with Opal) It contains iron a...

4594 - Birthstone Series: Moonstone - Moonstone is the birthstone for the month of June (along with Alexandrite or pearl). It is ...

4592 - Birthstone Series: Tourmaline - Tourmaline is the birthstone for the month of October (along with Opal) It contains iron a...

4591 - Birthstone Series: Tourmaline - Tourmaline is the birthstone for the month of October (along with Opal) It contains iron a...

4590 - Birthstone Series: Moonstone - Moonstone is the birthstone for the month of June (along with Alexandrite or pearl). It is ...

4589 - Birthstone Series: Alexandrite - A specimen of Alexandrite named after the Russian Tzar, Alexander II. It is the birthston...

4588 - Birthstone Series: Moonstone - Moonstone is the birthstone for the month of June (along with Alexandrite or pearl). It is ...

4568 - Birthstone Series: Tourmaline - Tourmaline is the birthstone for the month of October (along with Opal) It contains iron a...

4567 - Birthstone Series: Tourmaline - Tourmaline is the birthstone for the month of October (along with Opal) It contains iron a...

4564 - Birthstone Series: Turquoise - Turquoise is the birthstone for the month of December (along with Tanzanite and Zircon). It...

4560 - Birthstone Series: Tourmaline - Tourmaline is the birthstone for the month of October (along with Opal) It contains iron a...

4468 - Padparadscha - Padparadscha is one of the most unusual varieties of the mineral corundum.

4559 - Birthstone Series: Tourmaline - Tourmaline is the birthstone for the month of October (along with Opal) It contains iron a...

4467 - Sapphire Buddha - Sapphire Buddha pin less then two centimetres tall. Sapphie is so hard it would have needed something as...

4463 - Blue sapphire - Sri Lankan specimen of blue sapphire. A rare example of the uncut material.

4457 - Star sapphire - Parallel bundles of fibres are formed in the stone as it crystallises. When the sapphire is cut in the co...

4456 - The Hope Chrysoberyl - Glittering 45-carat chrysoberyl gemstone from Brazil which, has been known among gemmologists for a...

4452 - Topaz - This 2982-carat topaz is the largest cut gem at the museum.

4451 - Black opal - 131-carat black opal found in the Lightning Ridge area of New South Wales, Australia.

4448 - Cursed amethyst - When the Mineralogy Department received this amethyst in 1943 they found a note inside the box:'this sto...

4447 - Opal necklace - Opal necklace given to the museum in 1958.

4446 - Tourmaline - Watermelon tourmaline gemstone.

4443 - Yellow sapphire - Yellow sapphire from Sri Lanka, 101 carats. Acquired by the museum in 1874.

4445 - Morganite - This gemstone is 600 carats and one of the world's largest Morganite specimens.

4423 - Diamond spikes - Diamonds and a sapphire set in silver and gold make up this exceptional ornament, a marriage of parts fro...

4324 - Birthstone Series: Fire Opal - This specimen is called a fire opal because of its red-orange colour. Many of these specime...

4323 - Birthstone Series: Lazurite - Picture 001

4321 - Birthstone Series: Zircon - Ziricon can come in a number of colours but most commonly green or brown. It is the birthstone...

4318 - Birthstone Series: Fire Opal - This specimen is called a fire opal because of its red-orange colour. Many of these specime...

4315 - Birthstone Series: Zircon - Zircon comes in a variety of colours, but most commonly brown or green. It is the birthstone f...

4314 - Birthstone Series: Opal - Opal is a form of silica and it is the birthstone (along with Tourmaline) for the month of Octob...

4313 - Birthstone Series: Citrine - Picture 009

4310 - Birthstone Series: Amethyst Quartz - An Amethyst quartz specimen. Amythest is a form of quartz that is purple in colour, i...

4303 - Birthstone Series: Amethyst Quartz - An Amethyst quartz specimen. Amythest is a form of quartz that is usually purple in c...

4304 - Birthstone Series: Amethyst Quartz - An Amethyst quartz specimen. Amythest is a form of quartz that is purple in colour, i...

3994 - Achroite - An achroite specimen held in the Mineralogy Department at the Natural History Museum, London.

3992 - Green Avanturine Quartz - A green avanturine quartz specimen held in the Mineralogy Department at the Natural History Muse...

3991 - Avanturine - A avanturine specimen held in the Mineralogy Department at the Natural History Museum, London.

3988 - Beryl - A beryl specimen held in the Mineralogy Department at the Natural History Museum, London.

3987 - Smokey Quartz - A smokey quartz specimen held in the Mineralogy Department at the Natural History Museum, London.