Mercury
Mercury droplets
Mercury drops, green background
Copper, mercury & magnesium
Mercury remedy
Mercury pouring from a measuring cylinder
Elements
Mercury drops and thermometer
Drops of mercury
Mercury pouring from a beaker
Native Copper, Michigan, USA
Native Copper, Arizona, USA
Native copper, macrophotograph
Native copper
Native iron
Chemistry equipment, early 19th century
Alchemical elements, 18th century
Bismuth
Geothermal pool, New Zealand
Meniscus in mercury and water
Bismuth crystal
Malachite, an ore of Copper
Malachite, Arizona, USA
Native Copper, Chile
Native Copper
Native Copper (Cu)
Copper Ore
Chrysocolla, a minor ore of Copper
Smithsonite, a minor ore of Zinc
Forms of copper ore
Chrysocolla mineral
Chalcopyrite, SEM
Chalcocite crystals
Bismutine
Ullmannite mineral crystals
Magnetite on Serpentine
Bornite, Arizona
Malachite-based mineral deposit
Chrysocolla
Bauxite, an ore of Aluminum
温度計
Limonite specimen
Torbernite
Libethenite
Mercury oxide
Copper floating on mercury
Melted gold ore
Bismuth crystals
Crystalline manganese, SEM
Lump of copper encrusted rock
Barite and chalcopyrite crystals
Zinc blende
Malachite, SEM
Larimar, polished stones
Lodestone
Rhodonite specimen
Lodestone with nails attrackted
Malachite, Zaire
Magnetite crystals
Chrysocolla, Arizona, USA
Lodestone with attracted iron
Chalcopyrite, Ely, Vermont, USA
Limonite, Chittenden, Vermont, USA
Magnetite
Psilomelane, an ore of Manganese
Malachite
Sphalerite Zinc Ore
Smithsonite, an ore of Zinc
Chalcopyrite, an ore of Copper
Tourmaline
Rock strain fringes, light micrograph
Haematite ore
Chalcopyrite and quartz crystals
Magnetite and calcite
Cuprocassiterite in quartz mica schist
Dioptase mineral sample
Chrysocolla, macrophotograph
Malachite in host rock
Azurite in host rock
Azurite
Azurite and malachite
Dendritic copper specimen
Tenorite mineral crystals
Opal surface
Chalcopyrite mineral
Hedyphane
Pyroxmangite
Native gold
Chromite and serpentine
Smithsonite
Zincblende
Bournonite
Smithsonite encrustation
Quartz crystal and limonite mineral
Copper mine mill, Arizona, USA
Aurichalcite in limonite groundmass
Botryoidal Malachite on chrysocolia
Olvienite crystal amongst quartz
Chlorargyrite in limonite groundmass
Mylonite, light micrograph
Azurite crystals
Sikhote Alin meteorite
SEM of nickel-rich magnetites from K/T Boundary
Medical thermometer
Copper
Manmade Potassium Ferrocyanide
Pyrolusite
Graphite
Willemite
Iron ore
Native Lead
Fibrous Goethite, Germany
Patronite, an ore of Vanadium
Wolframite ore of Tungsten
Descloizite
Clinochlore
Chromite
Uraninite in calcite
Fluorite crystals
Quartz boulder
Banded iron ore
Brecciated quartz
Synthetic spinel
Prehnite and okenite minerals
Adamite crystals
Granular celsian
Moss agate pin tray
Almandine crystal in schist
Danburite crystal
Short, prismatic phosgenite crystals in rock groundmass
Tree calcite
Lilac jadeite
Braunite crystal
Massive triplite
Green nontronite
Massive chalcocite
Massive rock gypsum
Pigeonite crystal
Illite