Ganister, polarised light micrograph
Val Gardena sandstone, light micrograph
Polarised LM of thin section of greywacke
Jasper, polarised light micrograph
Rhyolitic tuff, polarised light micrograph
Bunter sandstone, light micrograph
Siberian agate, polarised light micrograph
Sand grain, light micrograph
Sand grains, light micrograph
Arkose, polarised light micrograph
Zeolite, polarised light micrograph
Syenite, thin section, polarized LM
Pink orthoquartzite
Granite, light micrograph
Granodiorite, light micrograph
Quartz nodule, polarised light micrograph
Lasa marble, light micrograph
Sandstone in dusty matrix, polarised light micrograph
Quartz phyllite, light micrograph
Ammonite fossil, thin section
Columnar quartzite
Val Gardena sandstone
Grains of sand, light micrograph
Sandstone, polarized LM
Granite rock, light micrograph
Graphic granite rock, light micrograph
Nummulitic limestone, LM
Nummulitic Limestone, LM
Limestone, light micrograph
Shelly limestone, polarised LM
Trachyte. polarised light micrograph
Rhyolite, light micrograph
Moss agate, polarised light micrograph
Granite, thin section, polarised LM
Sandstone in chalcedony matrix, polarised light micrograph
Agate. polarised light micrograph
Aplite, light micrograph
Brixen granite, light micrograph
Polarised LM of thin section of igneous rock
Foraminifera, polarised light micrograph
Quartzite mineral, light micrograph
Mica schist folds, light micrograph
Granodiorite rock, light micrograph
Melaphyr rock, light micrograph
Oolitic limestone, light micrograph
Chondrodite, polarised light micrograph
Sandstone
Yellow Sandstone
Sedimentary Rocks
Bunter sandstone
Greywacke
Cross-bedding in sandstone rock
Gneiss, thin section, polarised LM
Gabbro rock, polarised light micrograph
Marble, polarised light microraph
Gneiss, light micrograph
Granulite mineral, light micrograph
Amphibole mineral, light micrograph
Actinolite mineral, light micrograph
Calcite mineral, light micrograph
Plutonic rock, light micrograph
Retrograde eclogite, light micrograph
Mica flakes, light micrograph
Crenulation cleavage, light micrograph
Andesite rock, light micrograph
Disthene mineral, light micrograph
Norite rock, light micrograph
Pyroxenite mineral, light micrograph
Hornblendite rock, light micrograph
Olivine inclusion in basalt
Hornfels, polarised light micrograph
Rock mineral crystals, polarised LM
Air bubbles in liquid, light micrograph
Air bubble in liquid, light micrograph
Microfibre cloth structure, light micrograph
Garnet mica schist thin cut, polarised light micrograph
Nanobacteria
Polarised LM of a thin section of diorite
Staurolite phenocrysts, polarised light micrograph
Orthogneiss, light micrograph
Agate, polarised light micrograph
Mica in quartz, light micrograph
Quartz mineral stone, light micrograph
Paragneiss, light micrograph
Cordierite, polarised light micrograph
Dolerite rock crystals, polarised LM
Abstract polarised light micrograph
Rock strain fringes, light micrograph
Broccoli, polarised light micrograph
Tourmaline mica in slate
Slot canyon
Red alga and diatoms, polarised light micrograph
Dinobryon colonial algae, polarised light micrograph
Woven horse hair, polarised light micrograph
Biotite mineral in orthopyroxene
Gabbro rock
Iron pyrite, light micrograph
Uric acid crystals, light micrograph
Sugar crystals, light micrograph