Almandine
Grossular
Gneiss with garnet, light micrograph
Gneiss with garnet
Rare bright green Uvarovite Garnet
Almandine crystals
Garnet
Cut Pyrope gemstone
Almandine crystals in schist
Prehnite and okenite
Raw garnet crystal
Cut Spessartine gemstone
Colourful gemstones
Garnet mica schist thin cut, polarised light micrograph
Garnet crystals on schist
Ruby in zoisite
Precious gemstones
Stilbite crystal group
Sample of muscovite
Almandine mineral sample
Tourmaline unworked stones
Almandine garnet in mica schist
Feldspar and quartz
Quartz coated with silica
Garnet in Schist
Wollastonite with kolophonite
Peridotite
Garnet in peridotite
Amphibolite, light micrograph
Orthogneiss, light micrograph
Lapis lazuli, SEM
Concentric banding in agate
Emerald
Cut pink topaz gemstone
Uvarovite crystals
Zircon crystals on host rock
Tourmaline on quartz
Pallasite meteorite fragment
Ruby quartz
Hessonite
Kimberlite rock, light micrograph
Andradite crystals
Garnets in micaschist, light micrograph
Pyrope sand
Garnet-bearing rock
Garnet gemstone
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
Grossular garnet crystals on rock surface
Snowball garnet, light micrograph
Lizardite in serpentine rock
Garnet.
Garnet gemstones
Migmatite, light micrograph
Citrine
Agate
Chalcedony
Chrysocolla mineral
Rutilated quartz
Axinite
Tourmaline cross section
Tourmaline
Cut green Tourmaline gemstone
Cut Cordierite (Iolite) gemstone
Cut Kyanite gemstone
Cut Scapolite gemstone
Cut Watermelon Tourmaline gemstone
Rough pinkish-red Rubellite
Yellow-green Tourmaline rough
Trillion cut tourmaline gemstone
Cut green Paraiba Tourmaline gemstone
Cut pink Topaz gemstone
Diamond in host rock
Garnet in micaschist I
Hemimorphite
Zinnwaldite mineral group
Brazilianite crystals
Kyanite
Sample of feldspar
Migmatite
Paragneiss, light micrograph
Chabazite
Garnet gem
Kelephytic corona, light micrograph
Lherzolite rock, light micrograph
Eclogite rock, light micrograph
Basalt, light micrograph
Cut Scapolite round gemstone
Moss agate
Beryl crystals
Yellow crystal
Tourmaline crystal, thin section
Black tourmaline, SEM
Fire Opal
Asbestos veins in serpentinite
Cut Diopside gemstone
Cut yellow Vesuvianite gemstone
Round cut red Andesine
Cut Quartz gemstone
Cut Zircon gemstone
Rose Quartz
Blue labradorite
Dodecahedral crystal of spessartine
Aventurine
Uncut emeralds
Princess cut garnet
Emerald cut ruby
Round cut garnet
Spessartite crystals, Monroe, Connecticut
Grossular, Mexico
Grossularite Garnet crystals, Hessonite
Garnet, Concord, Vermont, USA
Garnet, variety Androdite
Garnet, variety Uvarovite on diopside
Andradite, New Jersey
Uvarovite Garnet
Grossularite Garnet crystal
Melanite
Deformation of garnet crystal
Spessartite (garnet) crystals growing on albite
Boudinage in dyke crossing serpentinite
Rhodonite
Raw turquoise
Garnet in micaschist II
Pink beryl crystal, SEM
Lapis lazuli crystals I
Lapis lazuli crystals II
Rough topaz
Amethyst crystals
Quartz and schist outcrops
Quartz seam in schist
Scolecite
Cut Indicolite gemstone
Twinned augite crystals
Smoky quartz
Labradorite