Azurite in host rock
Azurite
Azurite and malachite
Open cast copper mining in Arizona
Malachite in host rock
Azurite.
Azurite crystals
Azurite, an ore of Copper
Malachite
Spherical concretions of radiating azurite crystals
Forms of copper ore
Malachite and Azurite
Azurite in Limonite Groundmass
Malachite, SEM
A specimen of the mineral azurite found in Eire
Copper Ore
Azurite sample
Copper mine mill, Arizona, USA
Mineral deposition
Azurite, New Mexico, USA
Azurite copper ore stone
Azurite and malachite deposits
Chrysocolla with azurite
Brochantite and azurite crystals
Mining core samples, Kenya
Malachite & Azurite I
Malachite & Azurite II
Azurite on Chrysocolla substrate
Mineral exploration drilling, Kenya
Diamond processing, Siberia, Russia
Mining core sample, Kenya
Petrified Wood, New Mexico
Hyalite Opal
Azurite nodule
Copper mine, Arizona, USA
Open-cast copper mine, New Mexico, USA
Silver wire, mine specimen
Diamond drill bit
Open pit mine, Democratic Republic of Congo
Sapphire mining, Madagascar
Quartz crystal cluster
Brochantite
Siderite, and iron ore
Chrysocolla
Slate mining
Banded iron formation
Venetia Diamond Mine, South Africa
Sulphur rocks
Diamond miners, South Africa
19th-century Native American mine worker
Azurite mineral sample
Oil Shale specimen
Fossil Cystoid
Manganosite
Covelline
Sulphur deposits, Mount Iwo, Japan
Botryoidal hematite
Cobalt and copper mine, Democratic Republic of Congo
Azurite crystals, SEM
Malachite-based mineral deposit
Crane for lifting cakes of copper/lead alloy from moulds.
Opencast coal mine
Tufa rock formation
Rock crushing plant, Shropshire, UK
Mineral mining, 16th Century artwork
Cave of Swords, Naica Mine, Mexico
Volcanic crater lake with sulphur deposits
Men carrying mined sulphur from volcanic crater
Zebraite
Actinolite, Chester, Vermont, USA
Orpiment on pyrite
Actinolite crystals
Diamond miners with explosives
19th-century diamond mining, Brazil
Rock micro-folds
Gypsum crystal group
遺跡発掘調査
Gold core sample
Gold in placer
Diamond mine slag heaps
Entrance to Naica Mine crystal caves
Gold stamp mill, USA, 1888
Diamond mine, Siberia, Russia
Native Copper
Native copper, macrophotograph
Native copper
Cave of Crystals, Naica Mine, Mexico
Barite and chalcopyrite crystals
Malachite, an ore of Copper
Malachite, Arizona, USA
Chrysocolla, Arizona, USA
Chrysocolla, a minor ore of Copper
Cuprocassiterite in quartz mica schist
Dioptase mineral sample
Copper
Chrysocolla, macrophotograph