Jadeite carved dish from China
Nephrite jade specimen
Nephrite crystals
Jade sword handle
England, London, British Museum, Display of Jadeite Boulders
Actinolite crystals
Polished pieces of green jadeite
Titanite crystals in actinolite
Tremolite crystals
Actinolite, Chester, Vermont, USA
Actinolite crystals with talc
Actinolite
Actinolite, Tyringham, Massachusetts, USA
Actinolite mineral, light micrograph
Ilmenite crystal with actinolite and quartz
Jadeite, Siberia, Russia
Malachite mineral stone
Jade stone
Imperial Jade streaked with green
Jade gemstones
Metamorphic rock
Assortment of Gemstones
Amphibolite, light micrograph
Peridotite, polarised light micrograph
Belt-hook carved in lapis lazuli
Asbestos sample
Eclogite rock, light micrograph
Pyroxenite rock, light micrograph
Boulder opal formation
Amethyst
Polished and cut turquoise
Allende meteorite specimen
Granite specimen
Amethyst crystals
Opal specimen and cut stone
Rubellite tourmaline pendant
Uvarovite garnet crystals
'Black' opal cabochon specimen
Orange sapphire gemstone
Topaz gemstone
Emerald
Peridot
Rough emeralds
Emeralds
Emerald crystal, close up
Azurite crystals
Emerald gemstones
Rough emerald
Uncut emeralds
Hypersthene, close-up
Asscher cut diamond gemstone
Pink diamonds
Gabbro rock, light micrograph
Quartz types
Hiddenite crystal
Maori Greenstone Jade
Peridotite, thin section micrograph
Limburgite
Granodiorite rock, light micrograph
Emerald, SEM
Colourful gemstones
Cut Emerald gemstone
Obsidian specimen
緑閃石
Pyroxenite mineral, light micrograph
Azurite crystals, SEM
Diamond with garnet inclusion
Lapis lazuli specimen
Kunzite crystal and cut stone
Cut pink-violet Kunzite gemstone
Round cut emerald
Oval cut emerald
Radiant cut emerald
Trillion cut emerald
Trillion cut peridot
Emerald crystal, Colombia
Zaratite
Azurite copper ore stone
Azurite.
Ruby
Staurolite phenocrysts, polarised light micrograph
Pyroxmangite
Kunzite, close-up
Rough diamond
Uncut diamond
Kimberlite rock, light micrograph
Amethyst, SEM
Garnet mica schist thin cut, polarised light micrograph
Microdiamond crystal
Black tourmaline in mica schist
Citrine
Tourmaline
Cut diamond
Tourmaline crystals in quartz
Sample of Labradorite
Andradite crystals
Lapis lazuli
Opal
Almandine mineral sample
Olivine mineral sample
Garnets in micaschist, light micrograph
Moonstone gemstones
Agate in amethyst
Topaz crystals
Pyrope sand
Blue sapphire stone
Blue Sapphire uncut stone
Garnet-bearing rock
Opal gem necklace
Indicolite tourmaline faceted stone
Watermelon tourmaline crystalline stone
Hawk's Eye quartz stone
Schorl tourmaline crystal stone
Diamond theft reward poster, April 1965
Amethyst geode
Amethyst geodes
Garnet gemstone
Cullinan diamond replica
Opal in its host rock
Amethyst filled geode
Clinochlore with garnets
Ruby crystal and gems
Opal gem and rock
Garnet crystals on schist
Fire opal
Mineral exploration drilling, Kenya
Diamond drill bit
Mining core samples, Kenya
Sapphire crystal