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  • Mineralogy (45 entries)
Blue schist from the Isle of Groix
Blue schist from the Isle of Groix by Sophie Graul
Blue schist sample from the Isle of Groix with ferroglaucophane
Blue schist sample from the Isle of Groix with ferroglaucophane by Sophie Graul
Blue schist from the Isle of Groix
Blue schist from the Isle of Groix by Sophie Graul
Broken schorl in a pegmatite
Broken schorl in a pegmatite by Sophie Graul
Layers of muscovite in a pegmatite vein
Layers of muscovite in a pegmatite vein by Sophie Graul
Epidote in blueschist
Epidote in blueschist by Sophie Graul
Details of blueschists
Details of blueschists by Sophie Graul
Glaucophane and epidotes in Blue schists
Glaucophane and epidotes in Blue schists by Sophie Graul
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
Almandine in migmatite paragneiss
Almandine in migmatite paragneiss by Sophie Graul
Graphite in a contact zone between a pegmatitic dyke and a amphibolite
Graphite in a contact zone between a pegmatitic dyke and a amphibolite by Sophie Graul
Sillimanite needles in a quartzite
Sillimanite needles in a quartzite by Sophie Graul
Precambrian garnet from Kopparnäs coastline, Finland.
Precambrian garnet from Kopparnäs coastline, Finland. by Sophie Graul
Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia.
Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia. by Sophie Graul
Ni ore from thre former Hitura mine, Finland
Ni ore from thre former Hitura mine, Finland by Sophie Graul
Migmatite 'sigmoid' in garnet-paragneiss
Migmatite 'sigmoid' in garnet-paragneiss by Sophie Graul
Amphibolite enclaves crossed by two generations of granitic veins
Amphibolite enclaves crossed by two generations of granitic veins by Sophie Graul
Close-up of hornblendes crystals in stretched amphibolite enclave
Close-up of hornblendes crystals in stretched amphibolite enclave by Sophie Graul
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia.
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia. by Sophie Graul
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia.
Thin section in PPL of shelly phosphorite from the Ülgase deposit, Estonia. by Sophie Graul
Microphotograph of a calcite geode found in a glendonite structure
Microphotograph of a calcite geode found in a glendonite structure by Sophie Graul
Pyritised brachiopod shell from Aseri phosphorite deposit
Pyritised brachiopod shell from Aseri phosphorite deposit by Sophie Graul
Hydrothermal fluorite from La Barre, France
Hydrothermal fluorite from La Barre, France by Sophie Graul
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