Peridot gemstones
Peridot
Cut Peridot gemstone
Round cut peridot
Oval cut peridot
Peridot pebble and mixed-cut peridot
Trillion cut peridot
Olivine peridot crystal, close up
Amethyst gemstones
Peridot gemstone
Peridot, Pakistan, 129 Carat
Pallasite meteorite
Garnet
Tourmaline
Meteorite NWA 2957, light micrograph
Olivine mineral sample
Meteorite NWA 6435, light micrograph
Kimberlite rock, light micrograph
Meteorite Brenham, light micrograph
Meteorite Fukang China, light micrograph
Seymchan pallasite
Peridotite, polarised light micrograph
Pyroxenite rock, light micrograph
Dunite rock, light micrograph
Gneiss, thin section, polarised LM
Imilac meteorite
Amethyst gemstones and crystal
Diamonds and aquamarine gemstones
Lherzolite rock, light micrograph
Olivine flakes, light micrograph
Peridotite rock, light micrograph
Pallasite, meteorite
Colourful gemstones
Emeralds
Citrine gemstones
Gabbro rock, light micrograph
Komatitite rock, light micrograph
Tool holding amethyst gemstone
Diamonds
Diamond
Diamonds and diamond ring
Tool holding diamond
Diamond ring
Diamond necklace
Diamonds and gemology tools
Diamonds on a scoop
Moonstone
Moonstones
Mystic topaz gemstone
Citrine gemstones and crystal
Martian surface, infrared MRO image
Polarised LM of thin section of gabbro
Aquamarine gemstones
Meteorite Jepara, thin section, LM
Meteorite Jepara, macrophotograph
Olivine mineral deposits on Mars
Aquamarine gemstones and crystal
Limburgite
Meteorite Al Mahbas, light micrograph
ペリドット
Amethyst gemstone
Citrine gemstone
Olivine, Canary Islands, Spain
Barred olivine chondrule
Olivine-rich lava
The Centenary Diamond
Diamonds under UV light
Square cut purple Amethyst gemstone
Cut Fire Opal gemstone
Cut Ruby gemstone
Cut Sapphire gemstone
Cut yellow sapphire gemstone
Kentallenite - Ballaculish, Scotland, LM
Peridotite, thin section micrograph
Diamond grading certificate
Tweezers holding alexandrite gemstone
Tanzanite
Precious gemstones
Pink gemstones in the shape of heart
Pallasite meteorite fragment
Meteorite DHO 020-H4_5 Dhofar Oman, LM
Trillion cut tourmaline gemstone
Cut Aquamarine gemstone
Cut green Paraiba Tourmaline gemstone
Basaltic dyke, polarised light micrograph
Martian soil sample, X-ray diffraction analysis
Cut Pyrope gemstone
Trillion cut diamond
Blue rectangular gemstone
Rubies
Sapphires
Brilliant cut diamond gemstones
Emerald gemstones
Moonstone gemstones
Polished Chrysocolla cabochons
Jade gemstones
Purple rectangular gemstone
Pink rectangular gemstone
Red rectangular gemstone
指輪
Round cut mauve Spinel gemstone
Five polished ruby gemstones
Round polished Common Opal
Elbaite mineral (tourmaline)
Opal
Emerald crystal, Colombia
Round cut emerald
Oval cut emerald
Radiant cut emerald
Trillion cut emerald
Alexandrite gemstone
Cushion cut diamond gemstone
Brilliant cut diamond gemstone
Hawaiite, thin cut, polarised light micrograph
Gabbro microcrystals, light micrograph
Ruby
Synthetic gemstones
Asscher cut diamond gemstone
Pink diamonds
Opal gemstones
Wedge shaped titanite crystal
Cut Red Spinel gemstone
Oval cut Sphene gemstone
Pieces of red spinel
Pink gemstone in the shape of heart
Pyrargyrite crystals
Emerald crystal, close up
Imperial Jade streaked with green
Cut Emerald gemstone
Rare bright green Uvarovite Garnet
Yellow-green Tourmaline rough
Green hemimorphite in groundmass
Tourmaline embedded in feldspar rock
Emerald
Uncut diamonds
Nephrite crystals
Amethyst
Carbon
Amethyst crystals