Carbon
Pre-cut diamond forms
Crushed diamond, SEM
Synthetic diamond film production
Synthetic diamond film
Diamond
Diamond cleaning
Diamond in kimberlite
Cut diamond
Diamonds
Cullinan diamond replica
Asscher cut diamond gemstone
Pink diamonds
Diamond gemstones
Cut and polished diamonds
Tool holding diamond
Microdiamond crystal
Agate
Fortification agate
Illustrations of Indian diamonds
Uncut diamonds
Rough diamond
Humphry Davy (1778-1829), English chemist
Mineral exploration drilling, Kenya
Diamond drill bit
Mining core samples, Kenya
Large citrine gemstone
Uncut diamond from Africa
Yellow diamond
Diamond in host rock
Trillion cut diamond
Uncut diamond
Synthetic ruby
Nephrite crystals
Moonstone gemstones
Tourmaline gemstone
Pyrargyrite crystals
Diamonds and diamond ring
Diamond ring
Diamond necklace
Diamonds and gemology tools
Diamonds on a scoop
Diamonds and aquamarine gemstones
Colourful gemstones
Ironstone matrix with potch opal
Microdiamond crystal, SEM
Moonstones
Opal
Peridot
Tourmaline
Garnet gemstone
Grossular dodecahedral crystal
Round polished Common Opal
Elbaite mineral (tourmaline)
Quartz boulder
Brecciated quartz
Lapis lazuli
Jade sword handle
Grossular crystals in host rock
Rough emeralds
Turquoise mineral
Opal in its host rock
First laser
Opal on bedrock
Diamond processing, Siberia, Russia
Sylvanite crystals
Allende meteorite specimen
The Centenary Diamond
Diamonds under UV light
Ruby in zoisite
Gneiss with garnet
Graphite on calcite crystals
Round cut diamond
Radiant emerald cut diamond
Emerald cut diamond
Asscher cut diamond
Marquise cut diamond
Pear cut diamond
Square princess cut diamond
Tremolite crystals
Gemstones and light dispersion
Herkimer Diamond
Diamond in rock groundmass, close-up