Pink diamonds
Asscher cut diamond gemstone
Uncut diamonds
Illustrations of Indian diamonds
Rough diamond
Mineral exploration drilling, Kenya
Diamond drill bit
Mining core samples, Kenya
Pre-cut diamond forms
Diamonds
Uncut diamond from Africa
Uncut diamond
Synthetic diamond film production
Synthetic diamond film
Diamonds under UV light
Herkimer diamonds
Diamond
Trillion cut diamond
Crushed diamond, SEM
Diamond cleaning
Rough diamonds
Diamond processing, Siberia, Russia
Yellow diamond
Tool holding diamond
Carbon
Lapis lazuli
Microdiamond crystal
Cullinan diamond replica
Diamond in kimberlite
The Centenary Diamond
Venetia Diamond Mine, South Africa
Diamond grading certificate
Jasper
Quartz monzonite
Quartz boulder
Brecciated quartz
Jasper breccia rock
Herkimer Diamond
Cut diamond
Diamond in rock groundmass, close-up
Black tourmaline in mica schist
Sample of Labradorite
Andradite crystals
Almandine mineral sample
Olivine mineral sample
Nephrite crystals
Moonstone gemstones
Agate in amethyst
Topaz crystals
Pyrope sand
Garnet-bearing rock
Opal in its host rock
Amethyst filled geode
Opal gem and rock
Fire opal
Topaz specimens
Grossular crystals in host rock
Rough emeralds
Almandine crystals in schist
Turquoise mineral
Tourmaline
Spessartine garnet
Watermelon tourmaline
Topaz
Cursed amethyst
Dravite mineral
Andradite mineral
Demantoid
Tourmaline crystals in quartz
Peridotite
Garnet in peridotite
Opal on bedrock
Amethyst and chalcedony
Topaz crystal in albite and microcline
Emerald crystal, close up
Ironstone matrix with potch opal
Potch opal with smooth and rough surface
Schorl and quartz crystals in groundmass
Turquoise on rock surface, close-up
Gneiss with garnet
Opal gem necklace
Jade stone
Indicolite tourmaline faceted stone
Watermelon tourmaline crystalline stone
Hawk's Eye quartz stone
Schorl tourmaline crystal stone
Garnet crystals on schist
Pyrargyrite crystals
Diamond gemstones
Brilliant cut diamond gemstones
Cushion cut diamond gemstone
Herkimer diamonds of quartz mineral
Diamond theft reward poster, April 1965
Allende meteorite specimen
Iron oxide precipitation in agate
Diamond in host rock
Factory worker selecting diamonds, Angola
Round cut diamond
Radiant emerald cut diamond
Emerald cut diamond
Asscher cut diamond
Marquise cut diamond
Pear cut diamond
Square princess cut diamond
Diamonds and diamond ring