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  • Igneous (7 entries)
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
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
Feldspars in a larvikite
Feldspars in a larvikite by Sophie Graul
Rapakivi granite with typical round orthoclase crystals with oligoclase rims, Finland
Rapakivi granite with typical round orthoclase crystals with oligoclase rims, Finland by Sophie Graul
Paradise with a history of violence
Paradise with a history of violence by Dan Killam
Obsidian rocks, Landmannalaugar, Iceland
Obsidian rocks, Landmannalaugar, Iceland by Ragnar Sigurdsson (arctic-images.com)
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