Dioxide Collection

Jasper
A polished slab of jasper from Campsie Fells, Stirlingshire. Jasper is cryptocrystalline agate quartz (silicon dioxide)

Agate bowl, grey and white
Agate is a decorative variety of cryptocrystalline quartz (silicon dioxide). This bowl specimen is from the collections of the Natural History Museum, London

Antoine Laurent Lavoisier discovered oxygen (engraving)
539945 Antoine Laurent Lavoisier discovered oxygen (engraving) by French School, (18th century); (add.info.: Antoine Laurent Lavoisier (1743-1794) French chemist, discovered oxygen

Galena and Quartz, Derbyshire, England (Uncertain Locality)
Reticulated grey galena with colourless quartz crystals. Galena is the primary ore mineral of lead

Copper with Quartz, South Caradon Mine, St Cleer, Cornwall, England
Copper with crystalline quartz. Most Cornish copper specimens are dull, but native copper (pure copper, uncombined with any other elements) from Caradon is invariably bright

Joseph Black (engraving)
815933 Joseph Black (engraving) by Raeburn, Henry (1756-1823) (after); Private Collection; (add.info.: Joseph Black (1728-1799)

American advert for McCray Refrigerators - Snow White Opal Glass. Food compartments with run an electric motor with nickel-plated trimmings lined with white opal glass

Amethyst is the purple variety of quartz (silicon dioxide) and is a popular gemstone

Oil Refinery

Didcot Power station
With the cooling towers pushing out lots of steam, the photographer captures a dramatic picture. Taken in the late 60s Date: late 1960s

Fortification agate
A section of fortification agate from Scurdie Ness. Agate is cryptocrystalline quartz. This specimen is from the collections held at the Natural History Museum, London

Wet Battery: Leclance cell, invented c1866. Glass vessel containing zinc rod, solution of chloride of ammonia, and porous block of carbon surrounded by pieces of carbon manganese dioxide

Fire prevention training for student nurses
Fire prevention training for a class of student nurses. A sub-officer of the fire prevention branch demonstrates the operation of a carbon dioxide extinguisher

North America; USA; New Mexico; Sant Fe; Agate Closeup, Macro
USA, New Mexico, Sant Fe, Agate Close-up, Macro

Leclance cell, c1866, a type of wet battery. Zinc rod, left, central porous cell with a carbon block surrounded by small pieces of carbon and manganese dioxide

Lazzaro Spallanzani (1729-1799) Italian biologist. He worked on bacteria (disproved spontaneous generation), digestion (first to use term gastric juice)

Joseph Black (1728-1799) Scottish chemist, born in Bordeaux, France, son of a wine merchant. Professor of chemistry at Glasgow University. In 1757 he isolated carbon dioxide

Space-filling Models showing the Molecules in Decomposition of Sugar to Ethanol and Carbon Dioxide during Fermentation

Air monitoring station C018 / 0039
Air monitoring station in grounds of school. Photographed in Willenhall, West Midlands

Air quality monitoring station C018 / 0044
Air quality monitoring station, Tyburn Road, Birmingham. The station is situated in a dense urban area, with polluting industries, busy arterial roads and motorways nearby

Agate C013 / 6529
Agate. Section through a specimen of agate from Middlefield, Scotland, UK. Agate is an aggregate of different forms of silica (SiO2) within a geode

Fire prevention training for student nurses
Fire prevention training for a class of student nurses. A sub-officer of the fire prevention branch demonstrates the operation of a carbon dioxide extinguisher

Bloodstone or heliotrope carvings
These frogs were carved from bloodstone by Paul Dreher. Bloodstone is green agate containing speckles of red jasper. All these derive from the cryptocrystalline quartz group

Plate 3, fig 4 from Mineralienbuch
A illustration of a slice of polished brown jasper. Jasper is a variety of cryptocrystalline quartz (silicon dioxide). Plate 3, fig 4 from Mineralienbuch by F. A. Schmidt, Stuttgart 1855

Agate
This polished agate specimen from Saxony is called Breccia Sanguigna. This brecciated agate comprises mainly of irregular sized fragments of cryptocrystalline quartz, set in a finer matrix

Agate
A polished slice of agate from Uraguay. Agate (silicon dioxide) is a cryptocrystalline quartz

Amethyst crystals

Mocha stone, sardonyx and agate
Mocha stone and sardonyx cameos resting on artificially dyed slabs of agate. All these varieties of chalcedony derive from the cryptocrystalline quartz group

Chalcedony
Polished slab of chalcedony with radiating structure. Chalcedony or agate is a variety of cryptocrystalline quartz (silicon dioxide)

Citrine and amethyst are both varieties of quartz (silicon dioxide)

Agate
A cut and polished section of blue agate from Idar-Oberstein, Germany. Agate (silicon dioxide) is a cryptocrystalline quartz

Amethyst is the purple variety of quartz (silicon dioxide) and is a popular gemstone

Potentilla nivea L. snow cinquefoil
Sketch 2, Newfoundland Volumes. From a collection of original drawings and sketches by Georg Dionysius Ehret (1708-1770). Held in the Botany Library at the Natural History Museum, London

Banded iron formation
3, 000 million year old specimen of banded iron-rich chert from the Murchison Goldfield, Western Australia. The banding derives from differing amounts and oxidation state of the iron composite

Quartz
A quartz specimen (silicon dioxide) from San Juan del Rey, Minas Gerias, Brazil

A large cut citrine
Citrine is the yellow and orange variety of quartz (silicon dioxide). Specimen held at the Natural History Museum, London

Citrine and sapphire
Fine and poor examples of gem cutting and polishing. A superbly cut citrine (a yellow variety of quartz) and a poorly cut sapphire (blue), a variety of the mineral Corundum (aluminium oxide)

Quartz box and carved lizard
An ornamental box set with different quartz stones (silicon dioxide) including a large central citrine together with a carved lizard in cat s-eye quartz

LCC-MFB petrol driven motor tender
This chain transmission driven first-aid tender carried the first small water tank which operated under pressure of carbon dioxide gas

Underwater Laboratory
Physicist Brian Ray, testing the carbon dioxide content of the atmosphere in Sealab II, Britains first permanent underwater laboratory, 30 feet beneath the waves off Plymouth Date: 1960s

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"Dioxide: A Captivating Journey Through Shades of Grey and White" Journey with us into the mesmerizing world of dioxide, where shades of grey and white intertwine to create stunning beauty. Picture yourself in a serene setting, surrounded by nature's wonders. In Jasper, an agate bowl catches your eye with its intricate patterns. The contrasting hues of grey and white dance together harmoniously, showcasing the unique allure of this mineral. Traveling across continents, we find ourselves in Derbyshire, England. Galena and Quartz from an uncertain locality captivate us with their ethereal charm. These specimens showcase the delicate balance between dark greys and translucent whites that make them truly captivating. Further south in Cornwall, England lies the South Caradon Mine. Here, Copper with Quartz formations take center stage. The combination of rich copper tones against a backdrop of pristine white quartz creates a visual symphony that is simply breathtaking. As we delve into history, we encounter Joseph Black through an engraving capturing his scientific contributions. This Scottish chemist discovered carbon dioxide - a pivotal moment in our understanding of gases and their impact on our environment. Taking a leap forward in time brings us to an American advert for McCray Refrigerators featuring Snow White Opal Glass. This advertisement showcases how dioxide plays a role even in everyday appliances – reminding us that beauty can be found even in the most unexpected places. Venturing deeper into nature's treasures reveals amethysts shimmering with purple hues amidst layers of grey rock formations. Their vibrant color stands out against the subdued palette surrounding them – like stars shining brightly against a night sky. Transitioning from natural wonders to industrial landscapes leads us to oil refineries and power stations like Didcot Power Station - where dioxide emissions are carefully monitored as part of environmental regulations aimed at reducing pollution levels for cleaner air quality. Education becomes key as student nurses undergo fire prevention training – learning about potential hazards associated with high levels and the importance of safety measures to protect themselves and others.