1634 - Ammolite Ammonite - Ammolite is a gemstone formed from the fossilised shells of Ammonites, most commonly Placenticeras mee...

284 - Murchison Snuff Box - Murchison Snuff Box

458 - Oriental Amethyst ring - Corundum variety Sapphire, set in a ring BM.1915,202 A faceted gemstone of Sapphire known as ‘Orie...

545 - Green sapphire ring - Corundum variety Sapphire, set in a ring BM.1915,198 A green Sapphire, one of the gem varieties of C...

745 - Quartz - Quartz variety Citrine BM.1934,913 Citrine is the yellow variety of Quartz, named for its lemony colour. This gems...

874 - Gemstones group shots - Gemstones group shots

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

885 - Quartz - Quartz variety Citrine BM.21470 Citrine is the yellow variety of Quartz, named for its lemony colour. This is a la...

901 - Tourmaline - Red and green faceted stone, presented by E Hopkins Esq in 1910. 1.351 grams. Sometimes this is called 'waterm...

914 - Opal ring - Black Opal from Lightning Ridge, NSW, Australia, set in a ring. Part of the Lady Church Collection. Opal is a h...

1020 - Sapphire - Corundum variety Sapphire BM.1934,873 A pale blue Sapphire, one of the gem varieties of Corundum, with a milky ...

1048 - Oriental Amethyst ring - Corundum variety Sapphire, set in a ring BM.1915,202 A faceted gemstone of Sapphire known as 'Ori...

1098 - Topaz - Topaz BM.1981,100 A rectangular step-cut faceted gemstone of Topaz. It comes from Tres Barras in Minas Gerais, Bra...

1166 - Opal ring - Black Opal from Lightning Ridge, NSW, Australia, set in a ring. Part of the Lady Church Collection. Opal is a ...

1217 - Tourmaline - Red and green faceted stone, presented by E Hopkins Esq in 1910. 1.351 grams. Sometimes this is called 'water...

1308 - Quartz - Quartz variety Citrine BM.21470 Citrine is the yellow variety of Quartz, named for its lemony colour. This is a l...

1359 - Tourmaline - Red and green faceted stone, presented by E Hopkins Esq in 1910. 1.351 grams. Sometimes this is called 'water...

1364 - Quartz - Quartz variety Citrine BM.1934,913 Citrine is the yellow variety of Quartz, named for its lemony colour. This gem...

1677 - Fluorite - Triangular cut stone from Mexico. Fluorite is the mineral form of calcium fluoride, CaF2. 45.04ct

1724 - Pink rubies - Left larger oval stone is BM.54811 and the smaller right stone is BM.48698

1765 - Gemstones group shots - Gemstones group shots

1839 - Faceted chrysoberyl - Two cut stones of the gemstone chrysoberyl (beryllium aluminum oxide). This stone is also known as c...

1845 - Demantoid garnet cut stone - Demantoid is a variety of andradite garnet. It is green in colour, sometimes with yellow shad...

1863 - Murchison snuff box - Gold snuff box set with diamonds ranging from 0.75 to 2.5 carats, presented to Sir R I Murchison by ...

1868 - Diamond crystal - An octahedral diamond crystal showing trigons and inclusions. Diamond comprises of compacted carbon and ...

1905 - Freshwater pearls - Freshwater pearls are formed within freshwater mollusc shells. They do not appear as spherical shapes ...

2592 - Birthstone Series: Tanzanite - A specimen of tanzanite, from the Natural History Museum, London. Tanzanite is the birthsto...

2594 - Birthstone Series: Sardonyx - A specimen of Sardonyx, a variety of quartz, from the Natural History Museum, London. Sardon...

2622 - Birthstone Series: Carnelion - A specimen of the mineral, carnelion (BM58673) from the Natural History Museum, London. Car...

2632 - Birthstone Series: Bloodstone - A specimen of the mineral bloodstone, a variety of quartz. (33974), from the Natural Histo...

2633 - Birthstone Series: Chrysoprase - A specimen of the mineral, chrysoprase (BM1934.919) from the Natural History Museum, Lond...

2766 - Birthstone Series: Sardonyx - A specimen of the mineral sardonyx (4915), a variety of chalcedony from the Natural History ...

2973 - Amber pendant - Amber pendant, with enclosed spider and cricket, set with diamonds.

3138 - Chinese amber carving - An intricate crab carved out of Chinese amber. Amber is fossilised tree resin. Fig. 25 from Ambe...

3206 - Indian gold torc and nose ring c.1912 - Annotated watercolour drawing by Oliva Fanny Tonge (1858-1949), from one of 16 ske...

3584 - Labradorite - A labradorite cameo. Labradorite (calcium sodium aluminum silicate) sometimes shows iridescent qualities, bu...

3608 - Opal doublets - Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass).

3609 - Almandine garnets - Brooch set with almandine garnets. Almandine comprises of (iron aluminum silicate) and is the most com...

3906 - Birthstone Series: Garnet - gems Garnet 05

3911 - Birthstone Series: Aquamarine - gem Aquamarine 023

3912 - Birthstone Series: Ruby - gems Ruby 002

3913 - Gemstone series: sapphire - gems Saphire 001

3958 - Tourmaline - A tourmaline specimen held in the Mineralogy Department at the Natural History Museum, London.

3967 - Indicolite - An indicolite specimen held in the Mineralogy Department at the Natural History Museum, London. Indicolite is...

3968 - Verdite - A verdite specimen held in the Mineralogy Department at the Natural History Museum, London. Verdite is a green v...

3969 - Opal - An opal specimen held in the Mineralogy Department at the Natural History Museum, London.

3986 - Birthstone Series: Sapphire - A specimen of the gemstone, sapphire, from the Natural History Museum, London. Sapphire is t...

3987 - Smokey Quartz - A smokey quartz 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.

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