Mica schist folds, light micrograph
Mica schist folds, polarised light LM
Garnet mica schist thin cut, polarised light micrograph
Mica in quartz, light micrograph
Orthogneiss, light micrograph
Granite, polarised light micrograph
Aplite, polarised light micrograph
Staurolite phenocrysts, polarised light micrograph
Dolerite rock crystals, polarised LM
Rock mineral crystals, polarised LM
Hornfels, polarised light micrograph
Migmatite, light micrograph
Paragneiss, light micrograph
Two-mica granite
Muscovite, light micrograph
Aquamarine in muscovite matrix, close
Trachyte. polarised light micrograph
Quartz nodule, polarised light micrograph
Rhyolite, light micrograph
Muscovite mineral sample
Fuchsite mineral stone
Tabular muscovite crystals and apatite
Muscovite crystals in rock groundmass
Peridotite rock
Olivine inclusion in basalt
Basaltic dyke, polarised light micrograph
Granite
Sample of muscovite
Garnets in micaschist, light micrograph
Aggregate of muscovite crystals
Forbach granite, light micrograph
Muscovite Mica
Muscovite Mica, Ontario, Canada
Muscovite Star Mica
Granite, light micrograph
Granodiorite, light micrograph
Staurolite in mica schist groundmass
Migmatite
Amphibolite, light micrograph
Ammonite fossil, thin section
Muscovite, polarised light micrograph
Polished specimen of muscovite
Marble, polarised light microraph
Aquamarine crystals
Staurolite crystal, light micrograph
Melaphyr rock, light micrograph
Deformation structure in schist
Selenite mineral, light micrograph
Phlogopite in mica schist groundmass
Val Gardena sandstone, light micrograph
Mica flakes, light micrograph
Garnet crystals on schist
Almandine crystals in schist
Quartz mineral stone, light micrograph
Leucitite mineral, light micrograph
Prehnite mineral
Tourmaline crystal, thin section
Crenulation cleavage in calcite
Chemical crystals, polarised LM
Muscovite and feldspar
Forbach granite
Quartz phyllite, light micrograph
Pyroxenite mineral, light micrograph
Olivine flakes, light micrograph
Polarised LM of thin section of gabbro
Agate. polarised light micrograph
Peridotite rock, light micrograph
Andesite rock, light micrograph
Peridotite, polarised light micrograph
Muscovite II
Muscovite
Quartzite mineral, light micrograph
Naturally graphite flakes, light micrograph
Microdiamond crystal
Brazilianite crystals in calcite
Basaltic dyke rock
Cut and polished septarian nodule
Emeralds
Snowball garnet, light micrograph
Aplite, light micrograph
Brixen granite, light micrograph
Black tourmaline in mica schist
Kimberlite rock, light micrograph
Polarised LM of a thin section of diorite
Gabbro rock
Rock strain fringes, light micrograph
Crenulation cleavage, light micrograph
Almandine
Komatitite rock, light micrograph
Aquamarine and muscovite
Aquamarine on muscovite
Rubellite Tourmaline in Lepidolite Mica
Deformed quartz veins in slate
Limburgite
Tourmaline in pegmatite host rock
Hornblendite rock, light micrograph
Almandine garnet in mica schist
Ruby crystals, SEM
Pink tourmaline crystals growing on mica
Cuprocassiterite in quartz mica schist
Tourmaline mica in slate
Tenorite mineral crystals
Zeophyllite
Pectolite
Andesite
Blue Hauyne crystals in lava groundmass
Biotite in rock groundmass
Sanidine on trachyte lava groundmass
Lepidolite in pegmatitic groundmass
Pink-white chabazite in basalt groundmass
Rhyolite
Sample of basalt
Gabbro rock, light micrograph
Granite rock, light micrograph
Graphic granite rock, light micrograph
Iron pyrite, light micrograph
Gabbro microcrystals, light micrograph
Apophyllite