Allende meteorite specimen
Nephrite jade specimen
'Black' opal cabochon specimen
Opal specimen and cut stone
Granite specimen
Diamond with garnet inclusion
Asscher cut diamond gemstone
Pink diamonds
Boulder opal formation
Amethyst
Polished and cut turquoise
Amethyst crystals
Uvarovite garnet crystals
Belt-hook carved in lapis lazuli
Orange sapphire gemstone
Topaz gemstone
Diamond theft reward poster, April 1965
Obsidian specimen
Rubellite tourmaline pendant
Jadeite carved dish from China
Lapis lazuli specimen
Quartzite specimen
Synthetic diamond film
Illustrations of Indian diamonds
Crushed diamond, SEM
Diamond in kimberlite
The Centenary Diamond
Uncut diamonds
Diamonds under UV light
Trillion cut diamond
Stone meteorite
Uncut diamond from Africa
Quartz types
Tourmaline crystal specimen
Yellow diamond
Rough diamond
Uncut diamond
Microdiamond crystal
Cut diamond
Cullinan diamond replica
Mineral exploration drilling, Kenya
Diamond drill bit
Mining core samples, Kenya
Synthetic diamond film production
Venetia Diamond Mine, South Africa
Pre-cut diamond forms
Diamond cleaning
Diamond grading certificate
Diamond processing, Siberia, Russia
Chondrite, a type of meteorite
Diamond
Diamonds
Seymchan pallasite
Amethyst geode interior
Large citrine gemstone
Tourmaline crystal specimens
Meteorite Brenham, light micrograph
Meteorite NWA 6435, light micrograph
Meteorite NWA 2957, light micrograph
Meteorite Fukang China, light micrograph
Pallasite, meteorite
Petrified wood, fossil specimen
Campo del Cielo meteorite fragment
Diamond miners, South Africa
Molybdenite specimen
Haematite specimen
Diamonds and diamond ring
Tool holding diamond
Diamond ring
Diamond necklace
Diamonds and gemology tools
Diamonds on a scoop
Diamonds and aquamarine gemstones
Colourful gemstones
Carbon
Tourmaline specimen
Banded iron specimen
Dendritic copper specimen
Meteorite DHO 020-H4_5 Dhofar Oman, LM
Quartz variation, Herkimer Diamonds
Herkimer Diamond
Diamond in rock groundmass, close-up
Diamond in host rock
Mining core sample, Kenya
Electrochemical sensor production
Diamond miners with explosives
Cushion cut diamond gemstone
Brilliant cut diamond gemstones
Brilliant cut diamond gemstone
Cullinan Diamond
Opal
Diamond gemstones
Launton Meteorite
Opal specimen
Selection of diamonds
Round cut diamond
Radiant emerald cut diamond
Emerald cut diamond
Asscher cut diamond
Marquise cut diamond