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Hydrothermal
Hydrothermal
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Result of Hydrothermal Alteration: Rainbow Rocks
Olgu Yurttas
Epidote Occurrence within Lead/Zinc Ore Deposits
Metwally Hamza
Growth of Calcite (CaCO3) & Gypsum (CaSO4.2H2O) on Lead/Zinc Ore Deposits
Metwally Hamza
Sample of Lead/Zinc Ores with Calcite/Gypsum Deposits as a result of the hydrothermal activity
Metwally Hamza
Lead & Zinc Ores as a result of the hydrothermal activity
Metwally Hamza
Amethyst vein from Pégut, Auvergne, France
Sophie Graul
Hydrothermal fluorite from La Barre, France
Sophie Graul
Octahedral crystal of fluorite in silica matrix.
Sophie Graul
Hydrothermal fluorite from la Barre former mine, France
Sophie Graul
Fluorite octahedron from La Barre mine
Sophie Graul
Close-up of cubic fluorite crystals
Sophie Graul
Close-up of Hydrothermal fluorite from la Barre former mine, France
Sophie Graul
Hydrothermal fluorite from la Barre former mine, France
Sophie Graul
Getting a sample out of the icy Dziura cave
Ieva Kaminskaite
Fault acting as a pathway for hydrothermal fluid that precipitated large pink calcite crystals along the way
Ieva Kaminskaite
Under the sea, in the deep, where fire meets water and life emerges III
Thibaut Barreyre
Under the sea, in the deep, where fire meets water and life emerges I
Thibaut Barreyre
Under the sea, in the deep, where fire meets water and life emerges II
Thibaut Barreyre
Bubbles
Nicolas Le Corvec
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