Oxide Collection

Perovskite crystal structure. Perovskite is the name for the mineral calcium titanium oxide (CaTiO3). It forms a crystal structure that is very common in oxide minerals

Cassiterite, Wherry Mine, Wherrytown, Penzance, Cornwall, England
Cassiterite with quartz. A very rich tin ore of a brown colour with black crystals of a curious form on the surface intermixed with white quartz

Franklinite, zinc ore
A granular rock composed of white calcite, dull green willemite, red zincite and black franklinite (Zinc Iron Manganese Oxide). See T00387 for a fluorescent view

Perovskite
Large black, pseudocubic crystals of perovskite (calcium titanium oxide). It is a source of titanium and some rare earth metals

Crucifix set with sapphires, zircon, spinel, cairngorm and amethyst. The whole cross is bordered by diamonds

Rocks, Copper
Native copper, cuprite, azurite (blue oxide of copper), malachite, copper pyrites, peacock copper

Apparatus for the administation of laughing gas (nitrous oxide) developed in England. From La Nature, Paris, 1874
527507 Apparatus for the administation of laughing gas (nitrous oxide) developed in England. From La Nature, Paris, 1874.; Universal History Archive/UIG.

Lavoisier's investigation of the existence of oxygen in the air. Mercury in trough (right)
541898 Lavoisier's investigation of the existence of oxygen in the air. Mercury in trough (right) and in glass balloon (left) on prolonged heating, some red oxide of mercury found in balloon

Cuprite with Minor Quartz, Gwennap, Cornwall, England
This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 16)

Hematite, Buxton, England
Massive, compact, water worn hematite, dark red in colour. The specimen label states Iron Ore, the best pieces are used for burnishing when polished - from Buxton or thereabouts

Goethite with Calcite, Forest of Dean, Gloucestershire, England
Stalactitic goethite with colourless calcite crystals. This variety of goethite, known as brush ore, was high quality iron ore from the Forest of Dean, often containing between 60-65% iron

Manganite, Warwickshire, England
Acicular manganite crystals on massive manganite. Manganite, which is a valuable manganese ore, was worked at Nuneaton and Hartshill in Warwickshire by the Cornish Mining Company from around 1820 to

Cassiterite, Wheal Maudlin, Lostwithiel (formerly in Lanlivery Parish), Cornwall, England
A superb twinned crystal of cassiterite. In Cornwall, cassiterite is concentrated in hydrothermal veins and pegmatites associated with granite intrusions

Cassiterite Partly Replacing Orthoclase, Wheal Coates, St Agnes, Cornwall, England
Twinned crystals of orthoclase feldspar partially replaced by cassiterite. This rare kind of replacement, or partial pseudomorph, is best seen in specimens from Wheal Coates

Cassiterite, St Agnes, Cornwall, England
Large crystals of cassiterite, varying from black to dark brown in colour. In Cornwall, cassiterite is concentrated in hydrothermal veins and pegmatites associated with granite intrusions

Details of a sand dune in Namibia An abstract image of a oxide rich sand dune in Namibia

A sand dune rises above the fog line in Sossusvlei, Namibia A peak of a sand dune rises above the fog in Sossusvlei, Namibia

Contrasted abstract of the Oxide rich red sand dunes in the great sand sea of Namibia Contrasted abstract of the Oxide rich red sand dunes in the great sand sea of Namibia

A lone camelthorn tree stands in front of a large red sand dune in Sossusvlei, Namibia A tree is dwarfed against a large red oxide sand dune in Sossusvlei, Hardap region, Namibia

Red sand dunes under the morning light in Sossusvlei, Namibia An abstract image of a large red sand dune in Namibia

Cassiterite, Ulu Johan, Ipoh, Kinta district, Southern Perak, Malaysia
This large specimen of water worn cassiterite was brought to Cornwall from Malaysia by Redruth businessman James Wickett in 1910

London smog map
London smog, 1952, pollution contours diagram of oxides of sulphur Date: 5th-9th December 1952

Advertisement, Dr Williams pink pills for pale people. Afraid to face traffic. Nerves in a terrible state and anaemia made her as pale as death

The audience at a lecture enjoying the effects of laughing gas (nitrous oxide)
527511 The audience at a lecture enjoying the effects of laughing gas (nitrous oxide). Illustration by George Cruikshank for John Scoffern Chemistry No Mystery: or, a Lecturers Bequest, London, 1834

Tea Bowl with "Oil Spot"Markings, Jin dynasty (1115-1234). Creator: Unknown
Tea Bowl with " Oil Spot" Markings, Jin dynasty (1115-1234)

Pelican, France, c. 1896. Creators: Emmanuel Fremiet, Emile Muller
Pelican, France, c. 1896

Minerals collected by John Mawe in Brazil, 1812
Minerals collected by the author during his tour: chrome of lead, gold in chlorite, new variety of hydragillite, red oxide of titanium, conglomerate mass containing gold and sometimes diamond

Cizhou Jar with Cover, Northern Song Dynasty (glazed stoneware)
1219147 Cizhou Jar with Cover, Northern Song Dynasty (glazed stoneware) by Chinese School; Freer Gallery of Art, Smithsonian Institution, USA; eFreer Slacker Gallery; Freer Gallery of Art

Brown Still Life
Chechi Peinado

Information leaflet, Dr Williams pink pills for pale people
Information leaflet for Dr Williams pink pills for pale people. The patent medicine pills contained iron oxide and magnesium sulphate

Advertisement, Dr Williams pink pills for pale people. Mother weak from childhood. Son a victim of St Vitus Dance. The patent medicine pills contained iron oxide and magnesium sulphate

Corundum variety ruby; crystal and gems
Crystal and gem specimens of ruby, the red variety of the mineral corundum (aluminium oxide). Corundum has two varieties, the other being sapphire

Moon rock fragment from the last Apollo space mission, Apollo 17, encased in perspex on a wooden plaque. The thumbnail-size rock is around 3.7 billion years old

PAPUA NEW GUINEA. Rabaul. Japanese reconnaissance aircraft Mitsubishi F-1 shotted down in Rabaul, Papua New Guinea, during the Second World War

Tenorite mineral crystals C016 / 4933
Tenorite mineral crystals. Tenorite is a form of copper oxide. It is found as grey-to-black metallic crystals (in fibrous form here) as a by-product of lava flows

The Hope Chrysoberyl
Glittering 45-carat chrysoberyl gemstone from Brazil which, has been known among gemmologists for about 170 years

Sapphire Buddha pin less then two centimetres tall. Sapphie is so hard it would have needed something as hard or harder to shape it, most probably another Sapphire

Limonite, also known as ironstone, is comprised of (hydrated iron oxide) and is characterized by its rusty colour and banded appearance

Chrysoberyl cut stone
This is Alexandrite, a cushion-shaped Chrysoberyl (beryllium aluminum oxide) gemstone. Alexandrite is named after the former czar of Russia, Alexander II

Tarnished sodium metal. Chunk of the reactive metallic element sodium (Na). Part of this surface was recently exposed by a knife cut

Molten aluminium ore being poured
Aluminium production. Molten aluminium ore being poured into an electrolysis cell. The ore is aluminium oxide (alumina) which is melted with a mixture of synthetic cryolite (sodium aluminium fluoride)

Alexandrite crystals
A cluster of the gemstone alexandrite trillings, or twinned crystals. This gemstone was named after the Russian Tsar Alexander II. It can appear in both red or green

United States, Colorado, San Juan Mountains, trees, and brown, red and yellow iron
Colorado, San Juan Mountains, trees, and brown, red and yellow iron oxide colors on the slopes of Anvil Mountain

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"Exploring the World of Oxide: From Perovskite Crystal Structure to Ancient Mines" Delving into the depths of mineralogy, we uncover the fascinating world of oxides. Journeying to Wherry Mine in Cornwall, England, we discover Cassiterite - a captivating oxide with its unique crystal structure. Franklinite, a zinc ore found in Wherrytown's mines, showcases the diverse range of oxides and their industrial applications. The enigmatic beauty of Perovskite captivates our imagination as we explore its intricate crystal lattice structure. Unveiling the intriguing connection between oxides and religion, we encounter a Crucifix carved from an ancient rock rich in copper oxide minerals. Rewinding time through vintage advertisements, Dr Williams' pink pills for pale people remind us how oxides have been used historically for medicinal purposes. Gazing upon Cuprite with Minor Quartz from Gwennap's mines in Cornwall takes us on a visual journey through nature's artistic expression using vibrant red oxide hues. Hematite from Buxton reveals nature's mastery at creating stunning formations that showcase iron oxide's mesmerizing colors and patterns. In Forest of Dean, Goethite with Calcite reminds us that even humble rust can transform into breathtaking works of art when combined with other minerals like calcite crystals. Manganite from Warwickshire tells tales of geological wonders hidden beneath our feet - showcasing manganese dioxide's ability to form striking black crystalline structures. Wheal Maudlin in Lostwithiel holds secrets within its ancient grounds; Cassiterite emerges as a testament to Cornwall’s rich mining history and its significant role in tin production. In this captivating exploration into the realm of oxides, we witness their remarkable diversity and undeniable allure across various locations worldwide – reminding us that these compounds are not just scientific curiosities, but also integral parts of our geological heritage.