Paragneiss, light micrograph
Migmatite, light micrograph
Orthogneiss, light micrograph
Migmatite
Forbach granite, light micrograph
Amphibolite, light micrograph
Forbach granite
Garnet mica schist thin cut, polarised light micrograph
Gneiss with garnet, light micrograph
Two-mica granite
Granite, polarised light micrograph
Aplite, polarised light micrograph
Val Gardena sandstone, light micrograph
Staurolite crystal, light micrograph
Basalt, light micrograph
Aplite, light micrograph
Brixen granite, light micrograph
Granite, light micrograph
Granodiorite, light micrograph
Mica schist folds, light micrograph
Snowball garnet, light micrograph
Kimberlite rock, light micrograph
Mica schist folds, polarised light LM
Granite
Quartz phyllite, light micrograph
Paragneiss
Muscovite and feldspar
Kelephytic corona, light micrograph
Lherzolite rock, light micrograph
Eclogite rock, light micrograph
Rhyolite, light micrograph
Staurolite phenocrysts, polarised light micrograph
Gneiss with garnet
Garnets in micaschist, light micrograph
Granodiorite rock, light micrograph
Trachyte. polarised light micrograph
Sample of muscovite
Mica in quartz, light micrograph
Aggregate of muscovite crystals
Fuchsite mineral stone
Sandstone in chalcedony matrix, polarised light micrograph
Lasa marble, light micrograph
Val Gardena sandstone
LM of a thin section of gabbro rock
Kentallenite - Ballaculish, Scotland, LM
Disthene mineral, light micrograph
Muscovite, polarised light micrograph
Rhyolite mountain, Iceland
Gabbro rock, light micrograph
Garnet gemstone
Rhyolitic tuff, polarised light micrograph
Folded strata in gneiss rock
Melaphyr rock, light micrograph
Slate waste
Gneiss, light micrograph
Gabbro microcrystals, light micrograph
Dolerite rock crystals, polarised LM
Almandine garnet in mica schist
Almandine
Uvarovite crystals
Garnet crystals on schist
Wollastonite with kolophonite
Almandine crystals in schist
Garnet
Peridotite
Garnet in peridotite
Jasper, polarised light micrograph
Andesite rock, light micrograph
Sandstone in dusty matrix, polarised light micrograph
Biotite
Biotite, Tyringham, Massachusetts, USA
Quartz nodule, polarised light micrograph
Brixen granite
Granodiorite
Muscovite Mica, Ontario, Canada
Muscovite Mica
Muscovite Star Mica
Muscovite, light micrograph
Kyanite and Staurolite crystals
Banded gneiss
Polished specimen of muscovite
Limestone, light micrograph
Arkose, polarised light micrograph
Grossular garnet crystals on rock surface
Grossular
Hessonite
Andradite crystals
Almandine mineral sample
Pyrope sand
Garnet-bearing rock
Clinochlore with garnets
Uvarovite garnet crystals
Grossular crystals in host rock
Gemstones and light dispersion
Spessartine garnet
Metamorphic rock
Grossular dodecahedral crystal
Andradite mineral
Demantoid
Almandine crystals
Garnet.
Precious gemstones
Garnet gemstones
Quartz Diorite, LM of thin section
Slate quarry waste
Quartzite mineral, light micrograph
Rock strain fringes, light micrograph
Granite rock, light micrograph
Geode, thin section micrograph
Rare bright green Uvarovite Garnet
Quartz phyllite
Aquamarine in muscovite
Aquamarine and muscovite
Aquamarine on muscovite
Granulite mineral, light micrograph
Plutonic rock, light micrograph