Aplite, polarised light micrograph
Granite, polarised light micrograph
Mica schist folds, polarised light LM
Trachyte. polarised light micrograph
Dolerite rock crystals, polarised LM
Forbach granite, light micrograph
Mica schist folds, light micrograph
LM of a thin section of gabbro rock
Forbach granite
Migmatite, light micrograph
Orthogneiss, light micrograph
Paragneiss, light micrograph
Gabbro microcrystals, light micrograph
Hornfels, polarised light micrograph
Aplite, light micrograph
Brixen granite, light micrograph
Granite, light micrograph
Granodiorite, light micrograph
Granite rock, light micrograph
Migmatite
Rhyolite, light micrograph
Gabbro rock, light micrograph
Quartz nodule, polarised light micrograph
Muscovite, polarised light micrograph
Amazonite
Granite
Granodiorite rock, light micrograph
Quartz vein in granite
Brixen granite
Granodiorite
Muscovite and feldspar
Andesite rock, light micrograph
Rock strain fringes, light micrograph
Quartz mineral stone, light micrograph
Basalt, light micrograph
Fuchsite mineral stone
Graphic granite rock
Arkose, polarised light micrograph
Melaphyr rock, light micrograph
Graphic tourmaline, light micrograph
Val Gardena sandstone, light micrograph
Rhyolite
Olivine flakes, light micrograph
Polarised LM of a thin section of diorite
Granulite mineral, light micrograph
Plutonic rock, light micrograph
Graphic granite rock, light micrograph
Porphyritic texture in granite
Peridotite, polarised light micrograph
Rock mineral crystals, polarised LM
Molybdenite in granite
Titanite bearing granite
Microcline
Molybdenite in granite groundmass
Blue labradorite
Sandstone in chalcedony matrix, polarised light micrograph
Geode, thin section micrograph
Muscovite mineral sample
Tabular muscovite crystals and apatite
Muscovite crystals in rock groundmass
Staurolite crystal, light micrograph
Sandstone in dusty matrix, polarised light micrograph
Rhyolitic tuff, polarised light micrograph
Basaltic dyke, polarised light micrograph
Quartzite mineral, light micrograph
Pyroxenite mineral, light micrograph
Sample of granite
Brown granite stone
Komatitite rock, light micrograph
Peridotite rock, light micrograph
Mica in quartz, light micrograph
Mica flakes, light micrograph
Crenulation cleavage, light micrograph
Peridotite rock
Labradorite
Polarised LM of thin section of gabbro
Garnet mica schist thin cut, polarised light micrograph
Granite specimen
Devonian slates
Zircon crystals on host rock
Rough topaz
Staurolite phenocrysts, polarised light micrograph
Two-mica granite
Ammonite fossil, thin section
Emerald in host rock
Deformed quartz veins in slate
Muscovite, light micrograph
Aquamarine crystals
Andesite
Agglomerate rock, polarised LM
Kelephytic corona, light micrograph
Actinolite mineral, light micrograph
Lherzolite rock, light micrograph
Calcite mineral, light micrograph
Eclogite rock, light micrograph
Pyroxenite rock, light micrograph
Dunite rock, light micrograph
Disthene mineral, light micrograph
Tourmaline mineral, light micrograph
Hornblendite rock, light micrograph
Quartz phyllite, light micrograph
Aquamarine and muscovite
Aquamarine on muscovite
Prehnite mineral
Jasper, polarised light micrograph
Rhyolitic geode
Garnets in micaschist, light micrograph
Cordierite, polarised light micrograph
Basaltic dyke rock
Val Gardena sandstone
Agate. polarised light micrograph
Selenite mineral, light micrograph
Covellite, thin section micrograph
Amphibolite, light micrograph
Gypsum, polarised LM in thin section
Chondrodite, polarised light micrograph
Leucite basanite, thin section
Snowball garnet, light micrograph
Sample of muscovite
Olivine inclusion in basalt
Geode in thin section
Variety of Igneous Rocks
Obsidian lava
Obsidian rock
Amethyst geode
Marble, polarised light microraph
Folded strata in gneiss rock