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Galena & sphalerite on quartz substrate

Galena & sphalerite on quartz substrate

Quartz with Galena & sphalerit

Galena

Galena

Galenite cubes

Galena crystals (galenite)

Sphalerite & chalcopyrite

Galena

Mineral combination

Sphalerite

Sphalerite on calcite

Sphalerite and pyrite

Sphalerite and pyrite

Bournonite on Gypsum Substrate I

Bournonite on Gypsum Substrate II

Galenite and marcasite

Siderite and calcite

Galenite and quartz crystals

Galena

Galena

Covelline

Zincblende

Quartz crystal cluster

Chalcopyrite and quartz crystals

Chalcopyrite and quartz crystals

Bauxite

Bauxite

Silver wire, mine specimen

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Cave of Swords, Naica Mine, Mexico

Cave of Swords, Naica Mine, Mexico

Cave of Swords, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Pyrite cubes in host rock

Chalcopyrite, SEM

Cube-forming galena, close-up

Nailhead calcite and galena

Chalcopyrite

Pyrite and quartz, crystalline

Banded Ironstone Formation (BIF)

Banded Ironstone Formation (BIF)

Banded iron formation

Cave of Crystals, Naica Mine, Mexico

Cave of Crystals, Naica Mine, Mexico

Tourmaline quartz

Galena, Missouri

Hydrothermal ore formation, artwork

Tourmaline in quartz

Quartz in sphalerite

Galena crystal, an ore of Lead

Galena crystals, an ore of Lead

Quartz and pyrite

Quartz and pyrite

Rutile in Quartz

Magnetite in quartz

Cuprocassiterite in quartz mica schist

Mineral epimorphosis II

Mineral epimorphosis I

Pyrite on quartz

Quartz and pyrite

Quartz

Smithsonite

Hemimorphite

Cave of Swords, Naica Mine, Mexico

Sodium chloride rock salt & pictogram

Sodium chloride rock salt on watch glass.

Manganosite

Banded iron formation

Borax

Fluorite crystals

Pseudomorphic crystal growth

Open-cast copper mine, New Mexico, USA

Open-cast copper mine, New Mexico, USA

Copper Ore

Copper mine, Arizona, USA

Copper mine, Arizona, USA

Copper mine mill, Arizona, USA

Slag heaps

Cobaltite and chalcopyrite crystals

Galena (Lead) Crystal Gemstone

Galena (Lead) Crystal Gemstone

Azurite on Chrysocolla substrate

Entrance to Naica Mine crystal caves

Sphalerite on strontianite

Richterite in quartz groundmass

Chrysocolla

Bubble flotation in silver extraction

Quartz crystals

Fibrous antlerite

Microcrystalline antlerite

Bournonite in quartz groundmass, close-up

Quartz filled geode

Quartz filled geode

Childrenite crystal in quartz

Columnar Quartz crystals

Quartz and pyrite

Section of quartz crystal geode

Baryte and smoky quartz crystals

Orange crystal

Haematite mineral rock

Gypsum crystal group

Quartz

Quartz

Quartz

Shaft House, Smelter and Tailing Pipe, Zinc and Lead Mines, Joplin, Missouri, USA, Magic Lantern Slide, circa 1910

方鉛鉱

Sphalerite

Periklin crystals

Wulfenite crystals

Quartz crystal and limonite mineral

Pyrolusite in quartz

Quartz and cassiterite crystals

Galena crystal, Missouri, USA

Galena crystals, Russia

Olvienite crystal amongst quartz

Open cast copper mining in Arizona

Tourmaline in pegmatite host rock

Tourmaline in pegmatite host rock

Tetrahedrite and quartz crystals

Tetrahedrite with Quartz and Chalcopyrite

Trains of Ore Containing Copper Arriving at Refining Plant, Salt Lake County, Utah, USA, Andreas Feininger for Office of War Information, November 1942

Man getting Ready to Blast Ore with Dynamite at Copper Mine, Bingham Canyon, Utah, USA, Andreas Feininger for Office of War Information, November 1942

Quartz crystals

Smoky quartz

Quartz crystals

Quartz crystals

Quartz crystals

Quartz crystal

Quartz mineral

Rutile quartz

Smoky quartz

Quartz crystals

IRON ORE MINING

Quartz crystals

Quartz crystals

Tourmaline crystals in quartz

Quartz crystals, SEM

Quartz crystal structure

Quartz crystals

Quartz crystals

Quartz crystals

Quartz crystal

Quartz crystals

Chalcopyrite crystals

Gold in quartz

Herkimer diamonds of quartz mineral

Quartz nodule, polarised light micrograph

Quartz nodule, polarised light micrograph

Smoky Quartz in Milky Quartz Groundmass

Emerald in quartz hostrock

Galenite in pyrite

Crystal Healing Stone Chalcopyrite

Iron pyrite crystal, SEM

Iron pyrite crystals, SEM

Chalcopyrite specimen

A sample of galena and calcite

Quartz crystals

Germany, Lower Saxony, Salzgitter, iron ore mine, Salzgitter Kloeckner-Werke in the background

Washing tin after extraction of ore. depicted in 'De Re Metallica'.

Roasting ore.

Miners at American Radiator Mine, Mount Pleasant, Pennsylvania, USA, Carl Mydans, U.S. Resettlement Administration, February 1936

Hoisting Ore & Lowering Miners, Lead Homestake Mine, South Dakota, USA, circa 1905

Gold core sample

Gold in placer

Brochantite

Banded iron formation (BIF)

Siderite, and iron ore

Washing for tin

Mercury gold panning extraction, 1940

Diamond-tipped drill, 19th century

Diamond processing, Siberia, Russia

Taconite processing plant, USA

Taconite processing plant, USA

Taconite processing plant, USA

Banded iron formation

Hardrock periscope, Miner's Park, Utah, USA

Pinto Valley Copper Mine, Arizona, USA, aerial photograph

Pinto Valley Copper Mine, Arizona, USA, aerial photograph

Pinto Valley Copper Mine, Arizona, USA, aerial photograph

チュキカマタ銅山

Shipping of bauxite from Greece with Marshall Plan help

Hedenbergite Phantom Quartz

Large quartz geode

Quartz with inclusions

Tourmaline crystals in quartz

Smoky quartz crystals

Smoky quartz crystals