Hydrated 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

Chalcopyrite with Malachite, East Pool Mine, Illogan, Cornwall, England
Capillary chalcopyrite with malachite. This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 6)

Malachite, North Wheal Basset, Illogan, Cornwall, England
Clusters of botryoidal malachite crystals. Malachite is a common hydrated copper carbonate secondary mineral, formed by the near surface weathering of primary sulphide minerals

Torbernite on Quartz, Wheal Basset, Illogan, Cornwall, England
An earthy, orange coated, quartz mass bearing fine towers and clusters of books of emerald to bottle green square plates of torbernite

Malachite, Wheal Husband, Sticker, St Ewe, Cornwall, England
Botryoidal malachite coated in limonite. This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 8)

Three British soldiers pictured at the horse stables in the Hull area of England, possibly East Riding. They are giving their horses water from the trough. Note to editors

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

Picture No. 11091688
Chrysocolla hydrated copper cyclosilicate mineral with formula: Cu2-xAlx(H2-xSi2O5)(OH)42O (x <1), minor ore of copper Date:

Picture No. 11050173
Varisite hydrated aluminium phosphate Ohio, USA Date:

Historical iron corrosion samples C016 / 2040
Historical iron corrosion samples. Series of glass tubes with 70-year-old samples of iron under different conditions, demonstrating the effect on corrosion. The years vary between 1907 and 1910

Calcium aluminate crystals, SEM C015 / 5768
Calcium aluminate crystals. Scanning electron microscope of a sample of hydrated calcium aluminates

Torbernite C016 / 5656
Torbernite (hydrated copper uranyl phosphate). This is a uranium bearing mineral with tabular crystals. Specimen from the Natural History Museum, London, UK

Torbernite C016 / 5652
Torbernite (hydrated copper uranyl phosphate) is a uranium bearing mineral with tabular crystals. Specimen originates from the Grunnislake mine, Cornwall, UK

Gobbinsite C016 / 5647
Gobbinsite (hydrated sodium potassium calcium aluminium silicate). Specimen found near Black Cave, County Antrim, Northern Ireland, UK

Thomsonite mineral specimen C016 / 4930
Thomsonite mineral specimen. Thomsonite consists of hydrated sodium calcium aluminum silicate. It forms tight, fibrous crystals

Person catching water C013 / 9861
Person catching water

Mesolite C013 / 6720
Mesolite crystals. Radiating crystals (white) of the mineral mesolite in their host rock. Mesolite (hydrated sodium calcium aluminium silicate)

Mesolite C013 / 6647
Mesolite crystals. Radiating crystals (white) of the mineral mesolite in their host rock. Mesolite (hydrated sodium calcium aluminium silicate)

Mesolite C013 / 6646
Mesolite crystals. Radiating crystals (white) of the mineral mesolite in their host rock. Mesolite (hydrated sodium calcium aluminium silicate)

Liroconite specimen C013 / 6527
Liroconite specimen. Liroconite comprises of hydrated copper aluminum arsenate hydroxide. Its blue colour is due to the oxidation of copper ores

Turquoise variety Henwoodite
A specimen of the turquoise variety called Henwoodite, named after William Jory Henwood (1805-1875) from West Phoenix Mine, Linkinhorne, Cornwall

Gobbinsite comprises of (hydrated sodium potassium calcium aluminum silicate) and derives from the zeolite group. Specimen found nr. Black Cave, Island Magee, Co. Antrim

Gypsum is comprised of (hydrated calcium sulphate). It forms from the evaporation of highly saline waters producing massive beds

Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass). Specimen from Queensland, Australia

Opal
A cut stone and crystal of opal. Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)

Scorodite comprises of (hydrated zinc arsenate) and is characterized by brownish-green crystals. Specimen from the collections of the Natural History Museum, London

Variscite
A rare, bluish green, mineral, found in aluminum-rich rocks. Variscite comprises of (hydrated aluminum phosphate)

Gypsum crystals - A desert rose
Gypsum is comprised of (hydrated calcium sulphate). It forms from the evaporation of highly saline waters producing this ornate arrangement of crystals

Opal

Goethite comprises of hydrated iron oxide. Picture shows radiating bands within the disc-shaped crystals. This specimen is displayed at the Natural History Museum, London

Heulandite crystal group on matrix, from Kilpatrick, Dumbartonshire. One of the group of Zeolites. Zeolites are microporous crystalline solids containing silicon, aluminium and oxygen

Hemimorphite
A specimen of the mineral hemimorphite (hydrated zinc silicate hydroxide). This mineral was formerly known as calamine

Kernite is composed of hydrated sodium borate hydroxide with transparent crystals. Kernite is also an important ore of borax. Specimen from the Natural History Museum, London

Erythrite
Erithrite comprises of (hydrated cobalt arsenate) and is characterized by its striking red-purple colouration and needle-like fibrous crystals

Stilbite comprises of (hydrated sodium calcium aluminum silicate) and derives from the Zeolite group. Specimen from the collections of The Natural History Museum, London

Thomsonite

Opal
Play of colour in opal (opalescence). Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)

Olivenite comprises of (copper arsenate hydroxide). It is a rare copper mineral normally deep olive green in coluor. Specimen from Wheal Jewel, Gwennap, Cornwall

Precious opal
A Cameo representing the dawn, on a limonitic matrix from Australia. Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)

Torbernite

Natrolite
A specimen of the mineral natrolite (Hydrated sodium aluminum silicate), of the group zeolite, from Neubauerberg, Bohemia

Opal
Fire opal in a matrix slab of alunite from Guatemala. Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)

Opal
Boulder or nodular opal in a sandstone matrix from Queensland, Australia. Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)

Liroconite comprises of (hydrated copper aluminum arsenate hydroxide). It is blue in colour and forms from the oxidation of copper ores. Specimen from the collections of the Truro Museum, Cornwall

Mesolite is comprised of (hydrated sodium calcium aluminum silicate). Its needle-like crystals formed inside a gas bubble in cooling volcanic rock

Hemimorphite crystals enclosed in rock crystal
Hemimorphite, formerly known as calamine is comprised of (hydrated zinc silicate hydroxide). Magnification = x1.2

Turquoise vein in shale
Turquoise (hydrated copper aluminum phosphate) vein in shale, from Victoria, Australia. Turquoise is perhaps the most valuable non-transparent mineral

A collection of turquoise specimens
Rough, polished and worked specimens of turquoise (Hydrated Copper Aluminum Phosphate). Turquoise is perhaps the most valuable of the non-transparent minerals

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"Discover the Beauty of Hydration: Gems, Minerals, and History" Opal gem with opal rock: A mesmerizing display of shimmering colors, this opal gemstone reminds us of the refreshing essence of hydration. Turquoise: Known for its vibrant blue-green hue, turquoise symbolizes tranquility and rejuvenation - just like a cool sip of water on a hot summer day. Chalcopyrite with Malachite, East Pool Mine, Illogan, Cornwall, England: These stunning mineral formations showcase nature's ability to create intricate patterns that resemble flowing water - a testament to the importance of staying hydrated. Malachite, North Wheal Basset, Illogan, Cornwall, England: With its rich green hues reminiscent of lush foliage after rainfall, malachite serves as a reminder to replenish our bodies with essential fluids. Torbernite on Quartz from Wheal Basset in Cornwall: This captivating combination captures the essence of hydration through its crystal-clear quartz and torbernite's radiant green color resembling fresh sprouting leaves after being nourished by rainwater. Malachite from Wheal Husband in Sticker: The deep emerald tones found in this malachite specimen evoke images of verdant landscapes thriving under constant hydration – an inspiration to keep ourselves well-watered too. Three British soldiers pictured at horse stables in Hull area: As these soldiers tend to their horses' needs for sustenance and care during wartime conditions in England's Hull area; it reminds us how crucial it is for humans also to prioritize proper hydration for optimal performance and well-being. Limonite (Picture No. 11091688): This earthy brown mineral showcases the transformative power that water holds over time – just as we need regular hydration to maintain our vitality throughout life's journey. Picture No. 11050173.