Silica Collection

Opal gem with opal rock
The polished gem is from an unknown locality while the rough specimen of opal rock comes from Baracoo River, Queensland, Australia

Diatoms
Selected slide of a group of fossil diatoms collected from Bori, Hungary in September 1895 and viewed under the light microscipe using differential interfereance contrast

Diatom frustule, SEM
Diatom frustule. Coloured scanning electron micrograph (SEM) of the frustule of a Pinnularia sp. diatom. The diatoms are a group of photosynthetic, single-celled algae containing about 10

Diatom cell wall, SEM
Diatom cell wall. Coloured scanning electron micrograph (SEM) of the pattern of small holes, called striae, in the cell wall of a diatom alga. This is a Coscinodiscus sp. diatom

Diatoms, SEM
Diatoms. Coloured scanning electron micrograph (SEM) of diatoms (Campylodiscus sp.). These microscopic, single-celled algae possess rigid and finely-sculpted cell walls known as frustules

Coverlet, New England, 1801/25. Creator: Unknown
Coverlet, New England, 1801/25

Rug, United States, c. 1885. Creator: Unknown
Rug, United States, c. 1885

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)

Chalcopyrite with Quartz and Minor Sphalerite, United Kingdom
This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 7, Figure 3) which states Is yellow copper ore

Chalcocite with Quartz, Cooks Kitchen Mine, Illogan, Cornwall, England
This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 7)

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

Chalcopyrite on Quartz, Dolcoath Mine, Camborne, Cornwall, England
Brassy yellow crystals of chalcopyrite, with an iridescent tarnish, on colourless quartz crystals. The specimen label states Six sided cristals of yellow copper ore crossing each other in opake

DDE-90026133
The Whitsunday Islands, Australia. The white sillica sands of some of the islands are composted of the finest grains of sand in the world, and thus some of the softest sand in the world

DDE-90026117
The Whitsunday Islands, Australia. The white sillica sands of some of the islands are composted of the finest grains of sand in the world, and thus some of the softest sand in the world

Aerial view of an bauxite tailings dam
Bauxite tailings is a waste product generated in the industrial production of aluminium. For every tonne of alumina created, there are about two tonnes of waste

Aerial view of an bauxite tailings dam
Bauxite tailings is a waste product generated in the industrial production of aluminium. For every tonne of alumina created, there are about two tonnes of waste

Aerial view of an bauxite tailings dam
Bauxite tailings is a waste product generated in the industrial production of aluminium. For every tonne of alumina created, there are about two tonnes of waste

Aerial view of an bauxite tailings dam
Bauxite tailings is a waste product generated in the industrial production of aluminium. For every tonne of alumina created, there are about two tonnes of waste

Aerial view of a road leading to a bauxite tailings dam
Bauxite tailings is a waste product generated in the industrial production of aluminium. For every tonne of alumina created, there are about two tonnes of waste

Te Tarata (White Terrace), geothermal silica sinter deposits on the shore of Lake Rotomahana
3621004 Te Tarata (White Terrace), geothermal silica sinter deposits on the shore of Lake Rotomahana, New Zealand (colour litho) by German School

Pink or White Terrace, North Island New Zealand 1880s Silica depostis created by hots springs and destroyed by the eruption of Mount Tarawera in 1886

Britten-Norman BN. 2A Islander VH-FCP
Britten-Norman BN.2A Islander VH-FCP, of Falcon Air. Date: circa 1980

[Frustules of Diatoms], ca. 1870. Creator: Attributed to Julius Wiesner
[Frustules of Diatoms], ca. 1870

Banded agate close-up

Cement materials, 1963. Artist: Michael Walters
Cement materials, 1963. Lime and silica make up about 85% of the mass of cement and requires around 80 different operations requiring a large amount of heat and energy

Whitehaven Beach, Hill Inlet, Tounge Point, Whitsunday Island, Whitsunday Islands, Queensland, Australia

White silica sand beach, Hill Inlet, Tounge Point, Whitsunday Island, Whitsunday Islands, Queensland, Australia

Fossilized and petrified trees are scattered throughout the Crystal Forest, Petrified Forest National Park, Arizona

Quartz stamp mill (or stamp battery or stamping mill) is a type of mill machine that crushes material

Illustration of Agate, a form of Quartz

Silica, lava, moss, algae from above
Aerial view of lava, moss, silica and algae in a geothermal area, Blue Lagoon, Iceland. Image is shot with a drone

Silica in the water, Blue Lagoon, Iceland
Top view of silica in a geothermal area. The Blue Lagoon and The Reykjanes Geothermal power plant, Iceland. The image is shot with a drone

Canada, Newfoundland and Labrador, Northern Labrador coast, Hopedale (aka Agvituk). Labradorite rock quarry, local feldspar mineral with blue flecks of color

White silica sand beach, Hill Inlet, Tounge Point, Whitsunday Island, Whitsunday Islands, Queensland, Australia

Esk Island, Hill Inlet, Tounge Point, Whitsunday Island, Whitsunday Islands, Queensland, Australia

White silica sand beach, Hill Inlet, Tounge Point, Whitsunday Island, Whitsunday Islands, Queensland, Australia

White silica sand beach, Hill Inlet, Tounge Point, Whitsunday Island, Whitsunday Islands, Queensland, Australia

Whitehaven Beach, Hill Inlet, Tounge Point, Whitsunday Island, Whitsunday Islands, Queensland, Australia

Tabellaria diatoms, SEM C016 / 9599
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Fossil diatom, light micrograph C016 / 8603
Fossil diatom. Darkfield illuminated light micrograph of a fossilised diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Tabellaria diatoms, SEM C016 / 9600
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Tabellaria diatoms, SEM C016 / 9601
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Carbon and silicate planets, artworks C015 / 0775
Carbon and silicate planets. Cutaway artworks of the internal structure of a carbon-based (top) and silicate-based (bottom) planet

Volcanic ash of Eyjafjallajokull, Island
Light micrograph of ash from the Eyjafjallajokull volcano, Island. Volcanic ash consists of pulverised rock (particles with diameter smaller than 2mm up to 1my), minerals and volcanic glass

Facial scrub particles, SEM. Coloured scanning electron micrograph (SEM) of particles found within consumer facial scrub lotion

Nucleic acid isolation resin, SEM C014 / 4732
Nucleic acid isolation resin. Coloured scanning electron micrograph (SEM) showing the structure of a silica (silicon dioxide) resin from a spin column

Fossil diatom, light micrograph C016 / 8586
Fossil diatom. Interphase contrast light micrograph of a fossilised diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

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"Unveiling the Enigmatic Beauty of Silica: From Opal Gems to Diatom Marvels" Opal gem with opal rock: Delicate and mesmerizing, opals reveal silica's stunning play of colors within their intricate structure. Diatom cell wall, SEM: Under the scanning electron microscope (SEM), diatoms' intricate cell walls showcase silica's remarkable ability to form exquisite patterns. Diatoms: Nature's microscopic architects, diatoms harness silica to construct their delicate shells, creating a diverse array of captivating shapes and designs. Diatoms, SEM: The hidden world of diatoms is unveiled through SEM imagery, showcasing the astonishing beauty that lies within these tiny organisms. Diatom frustule, SEM: The intricate details of a diatom frustule are brought into focus under the powerful lens of an SEM, revealing nature's artistry in every minute feature. Diatom shell, SEM: A closer look at a diatom shell through an SEM reveals its intricacy and showcases how they are create awe-inspiring structures on a microscale. Cuprite with Minor Quartz, Gwennap, Cornwall, England: Silica finds itself intertwined with cuprite in this geological wonder from Gwennap; showcasing nature's harmonious fusion of minerals. Chalcopyrite with Quartz and Minor Sphalerite - United Kingdom: In this mineral assemblage found in the UK lies chalcopyrite adorned by quartz crystals – a testament to silica's role in shaping Earth’s treasures. Chalcocite with Quartz - Cooks Kitchen Mine - Illogan Cornwall England : At Cooks Kitchen Mine resides chalcocite accompanied by quartz formations; illustrating how silica contributes to unique mineral compositions underground. Galena and Quartz - Derbyshire England (Uncertain Locality).