Ores Collection

Cave of Crystals, Naica Mine, Mexico
^BCave of Crystals.^b Geologist in the Cave of Crystals (^ICueva de los Cristales^i) in Naica Mine, Chihuahua, Mexico. The crystals are the largest known in the world

Picture No. 11091681
Galena and Sphalerite the main ore minerals of lead and zinc respectively Date:

Santa Cruz da Graciosa from above. Graciosa island, Azores, Portugal

Copper seam in old mine at Pozos, near San Miguel, Mexico, North America

Convent of Sao Francisco, dating back to the 17th century, nowadays the Town Hall of Vila do Porto. Santa Maria island. Azores, Portugal

Santa Barbara parish. Santa Maria island, Azores. Portugal

Traditional farm houses at Norte, Santa Maria island. Azores, Portugal

Santa Barbara parish. Traditional farm houses. Santa Maria island, Azores. Portugal

Barreiro da Faneca, the place where, for centuries, potters extracted the excellent clay of Santa Maria island to make excellent earthenware

Cryptomeria japonica, Fontinhas Forest Park. Santa Maria. Azores islands, Portugal

The main church in Santo Espirito, dating back to the 16th century. All the black stone is lava rock. Santa Maria island, Azores. Portugal

Sao Lourenco Bay (Baia de Sao Lourenco) with terraced vineyards facing the sea. Santa Maria island. Azores, Portugal

Praia Formosa, one of the best sandy beaches in the Azores islands. Santa Maria island, Portugal

The christian cross facing the Atlantic Ocean. Graciosa island, Azores. Portugal

Fresh water tank, centuries old, to supply the population. Santa Cruz da Graciosa, Graciosa island. Azores, Portugal

Whales islet. Graciosa island. Azores, Portugal

Fontes traditional windmill. Graciosa island, Azores islands. Portugal

Furna do Abel, a lava tunnel in the slopes of the great crater of the volcano. Graciosa island, a Biosphere Reserve. Azores. Portugal

Metalworking in ancient civilisations (chromolitho)
2788756 Metalworking in ancient civilisations (chromolitho) by European School, (19th century); Private Collection; (add.info.: Metalworking in ancient civilisations)

Pieces of iron ore, close up

Picture No. 11806843
hematite, botryoidal form, kidney ore, Cumberland, England hematite. Date:

Celebrating. Deadwood people celebrating the building of the largest reduction works of the kind (for gold and silver ores) in the world, John C. H. Grabill was an american photographer

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. 11091687
Eudialyte a minor ore of zirconium Date:

Picture No. 11091680
Rosasite Zinc copper carbonate, minor ore mineral of copper and zinc Date:

Picture No. 11091675
Chalcopyrite main ore mineral of copper Date:

Picture No. 11091658
Orbicular Ijolite alkalic in orbicules (part of Prairie lake carbonotite complex only known oricular ijolite in the world) Date:

Picture No. 11049896
Iron Oxides in the sandstone Bako National Park, Sarawak, Malaysia, Borneo, Asia Date:

Picture No. 11049895
Iron Oxides in the sandstone Bako National Park, Sarawak, Malaysia, Borneo, Asia Date:

Minerals, Pyromorphite (Lead chlorophosphate) green crystalline mineral on quartz, from Mid-Wales orefield

Smelting of ores (gold, silver, copper and lead). Workman beats clay to make lute to line furnace. On floor are various tools needed during process. From Agricola De re metallica, Basel 1556

Antoine Cesar Becquerel (1788-1878) French physicist: electrolysis for separating metals from ores: father of AE Becquerel. Grandfather of A.H. Becquerel. Wood engraving 1878

Carpenters constructing a stamping mill for breaking up ores and extraction of metals. Men on the left are measuring up a baulk of timber, K, to form a cam-shaft

Celebrating. Deadwood People Celebrating The Building Of The Largest Reduction Works Of The Kind (for Gold And Silver Ores) In The World, John C. H. Grabill Was An American Photographer

Iron ore quarry. Iron ores (usually a form of iron oxide) are mined as the principal source of the metallic element iron. Photographed near Kumily, in the state of Kerala, India

Asteroid mining, artwork C014 / 1238
Asteroid mining. Artwork of mining machines on an asteroid orbiting close to the Earth. Asteroids, a potential source of ores and minerals, are rocky bodies that orbit the Sun

Desert minerals, Egyptian Sahara C014 / 1644
Desert minerals, Egyptian Sahara. Photographed in the White Desert (Sahara el Beyda) in Western Egypts Libyan Desert, part of the Sahara

Desert minerals, Egyptian Sahara C014 / 1645
Desert minerals, Egyptian Sahara. Quartz and sand grains. Photographed in the White Desert (Sahara el Beyda) in Western Egypts Libyan Desert, part of the Sahara

Desert minerals, Egyptian Sahara C014 / 1643
Desert minerals, Egyptian Sahara. Photographed in the White Desert (Sahara el Beyda) in Western Egypts Libyan Desert, part of the Sahara

Desert minerals, Egyptian Sahara C014 / 1642
Desert minerals, Egyptian Sahara. Photographed in the White Desert (Sahara el Beyda) in Western Egypts Libyan Desert, part of the Sahara

Gold stamp mill, USA, 1888
Gold stamp mill. Workers cleaning the inside of a stamp mill used to obtain gold from crushed ore. After crushing (at right), the ore was washed over mercury-coated copper sheets (at left)

Iron ore mining C013 / 9314
Iron ore mining. Blasting taking place at an iron ore quarry at Lebedinsky GOK, Russias largest iron ore producer. Photographed in Gubkin, Belgorod Oblast, Russia

Mineral mining, 16th Century artwork C013 / 8957
Mineral mining. 16th Century artwork depicting workers digging for iron deposits

Iron-rich volcanic soil C013 / 5020
Iron-rich volcanic soil. The red-orange colour of the deposit indicates the iron content in the form of iron oxide. Photographed in the State of Mexico, Mexico

Mineral Analyser
The TELSEC portable non- dispersive X-ray mineral analyser offers a fast method of measuring selected elements in ores, soils, slags, etc. Date: November 1970

Early humans smelting bronze
Early humans smelting and working bronze, coloured artwork. Bronze is an alloy of tin and copper. During the Bronze Age (around 3300 to 1200 BC), humans mixed ores of tin and copper with charcoal

Heavy metal minerals. Historical artwork of some of the minerals of zinc and tin, as found in 19th- century mines. The minerals and where they were mined from are: smithsonite (containing zinc)

Chrysocolla, macrophotograph
Chrysocolla mineral. Chrysocolla (hydrous copper silicate, blue) is a semi-precious mineral found in stalactic masses (stalactites)

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"Unveiling the Hidden Beauty: Exploring Ores from Around the World" Delving into the depths of Mexico's Naica Mine, we discover a mesmerizing Cave of Crystals that leaves us in awe of nature's artistic prowess. Picture No. 11091681 captures the enchanting allure of Santa Cruz da Graciosa, an island in Azores, Portugal, where ores lie hidden beneath its picturesque landscapes. Journeying to Pozos near San Miguel in Mexico's North America region reveals a remarkable copper seam within an old mine, showcasing the rich history and resources embedded within our Earth. The Cave of Crystals at Naica Mine beckons once again with its ethereal beauty, reminding us that even deep underground lies a treasure trove waiting to be discovered. With each visit to the Cave of Crystals at Naica Mine, we are reminded that this natural wonder is not just fleeting but everlasting—its grandeur never ceases to amaze. As we delve deeper into the heart of Naica Mine's Cave of Crystals, we uncover more breathtaking formations—a testament to Mother Nature's ability to create wonders beyond imagination. The Convento de São Francisco stands as a timeless reminder of Portugal's heritage while ores silently contribute their part in shaping history through their invaluable presence beneath our feet. Santa Barbara parish on Santa Maria Island in Azores showcases both architectural marvels and hidden treasures below ground—an exquisite blend between man-made beauty and nature’s gifts. Norte on Santa Maria Island unveils traditional farmhouses against a backdrop adorned with ores—reminding us how these precious minerals have shaped communities for generations upon generations. Within Santa Barbara parish lies a harmonious coexistence between traditional farmhouses and bountiful ores—a true testament to humanity’s symbiotic relationship with Earth’s resources.