硫黄山の噴気孔
硫黄山の硫黄の噴気孔
硫黄山と噴気孔
硫黄山 川湯
秋田県 玉川温泉の噴気孔
北海道 硫黄山の噴煙
硫黄山の噴煙
New Zealand, North Island, Whakatane, Sulphur deposit on White Island (Whakaari)
Hokkaido, Akan Mashu National Park, Sulphur pieces on Iozan, sulfur mountain, active volcano area
Russia, Kamchatka, smoking sulphur fumaroles on Mutnovsky volcano
New Zealand, North Island, Whakatane, Active fumaroles of White Island (Whakaari)
New Zealand, North Island, Whakatane, Active fumarole of White Island (Whakaari)
New Zealand, North Island, Whakatane, Panorama of active fumarole of White Island (Whakaari)
Distant view of male tourist in geothermal landscape, Namaskard hverir, Myvatn, Iceland
Steam rising from geothermal landscape, Namaskard hverir, Myvatn, Iceland
Detail of geothermal landscape, Namaskard hverir, Myvatn, Iceland
Sulphur crystals
Extracted sulphur
Yellow crystals of sulphur
川原毛地獄
Iceland nature surface with snow and water
Hot water pond with steam in Iceland
Geothermal activity in icelandic nature with steam coming up from the ground
Layers of lava and clay in Iceland nature
Geysir geyser in Iceland with steamy blue water
Geothermal water hole in Iceland with blue water
Geothermal surface with steam in icelandic nature
Geothermal puddle with boiling water in Iceland
Steam cabin with geothermal activity at the strokkur geyser in Iceland
Geothermal nature with steamy fields in Iceland
Geothermal river at a mountain in Iceland
Water on geothermal surface in Iceland
Boiling water in a puddle in icelandic nature
Icelandic nature with geothermal activity at ground surface
Namaskard is a sulfur field right on the icelandic main road
Italy, Campania, Pozzuoli, phlegraean fields
The Sulphur Cave, New Zealand
川湯 硫黄山
硫黄山の眺望
硫黄山
硫黄山の硫黄
Stibnite (Antimonite)
大沸谷のガレ場
硫黄の噴煙を上げる大沸谷
神奈川の景勝50選の碑が立つ大沸谷
大沸谷のガレ場のパノラマ写真
Sulphur and oxygen
Tetrahedrite
Sulphur stockpiles
Sulphur ore deposits, artwork
Iron pyrites crystals (fool's gold)
Nugget of Fool's Gold, iron pyrites
Sulphur
Stored natural gas
Weissbergite
Chalcosine rock
Vat of Sulphur and Crane, Freeport Sulphur Company, Hoskins Mound, Texas, John Vachon for Office of War Information, May 1943
sulfur
Sulfur, Italy
Indonesia, East Java, Welirang volcano, Sulphur deposits
Indonesia, East Java, Welirang volcano, Sulphur deposits, close up
Volcanic mud pools
Agglomerated volcanic sulphur
Sulphur deposits on Mutnovsky volcano crater floor
Volcanic solfatara formation
Volcanologist sampling sulphur deposit on volcano
Volcanologists sampling sulphur deposit on volcano
Geothermal fumerole
Fumarole vents
Sulphur rocks
Sulphur deposits, Mount Iwo, Japan
Gypsum and sulphur crystals
Sphalerite & chalcopyrite
Crystalline sulphur
Chalcosite
Gersdorffite
Iron pyrite
Iron pyrite crystals
Chalcopyrite and quartz crystals
Aragonite crystals with sulphur
Pyrite crystals in their host rock
Pyrite crystals
Sulphur crystal
Chalcocite crystals
Iron pyrite crystal
Cubic pyrite crystals
Cobaltine mineral, cobalt ore
Galena
Enargite mineral
Sulphur crystals, light micrograph
Arsenopyrite
Sphalerite on calcite
Pyrite
Arsenopyrite crystals, close-up
Bornite, close-up
Pyritohedral crystals, close up
Pyrrhotite crystals, close-up
Cinnabar on rock surface, close-up
Molybdenite in granite groundmass
Celestine crystals in sulphur groundmass
Cobaltite and chalcopyrite crystals
Glaucodot crystals in groundmass
Stibnite
Marcasite in chalk groundmass, close-up
Lump of yellow sulphur
Bismuthinite crystals in rock groundmass
Chalopyllite crystals
Chalocite crystals
Marcasite stepped crystals
Galena crystals (galenite)
Mineral hot springs, Iceland
Geothermal pool, New Zealand
Geothermal algae, New Zealand
Geothermal springs, New Zealand