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