Ruby and sapphire specimens
Ruby
Rubies and sapphire
Sapphire crystal
Ruby quartz
Sapphires
Sapphire ring
Sapphire gemstones
Sapphire crystals in rock groundmass
Synthetic gemstones
Precious gemstones
Sapphire, SEM
Sapphire gemstone
Ruby crystal and gems
Ruby in zoisite
Ruby crystals, SEM
Synthetic ruby
Yellow sapphire
Blue sapphire stone
Blue Sapphire uncut stone
Orange sapphire gemstone
Rubies
Large ruby slice
Oval cut purple sapphire gemstone
Cut Sapphire gemstone
Cut yellow sapphire gemstone
Ruby gemstones
Blue rectangular gemstone
Cut sapphire
Sapphire, Sri Lanka, 288 carat
Sapphire mining, Madagascar
Sample of sapphire
Emerald cut ruby gemstone
Gemstones and light dispersion
Colourful gemstones
Almandine crystals
Star rubies and sapphires
Sapphire Crystal Gemstone
Sapphire gravel recovered from a stream
Sapphires panned from river gravels
Corundum
Ruby and sapphires
Jewellery with gemstones and diamonds
Five polished ruby gemstones
サファイア
Molybdenum disuphide research
Diamond ring
Diamond ring, close-up
Diamond ring in box, close-up
Diamond rings in a pile
Gem in box
Citrine and sapphire gemstones
Watch Movement, SEM
Ironstone matrix with potch opal
Amethyst
Assorted jewels
Cut Ruby gemstone
Diamond rings with jade in box, close-up
Diamond rings in a row
Diamond rings, close-up
宝石イメージ
サファイヤの指輪
サファイヤ、ルビー、K18ダイヤリング
サファイヤ、ルビー、ダイヤネックレス
3点ジュエリー
緑色の水面にフライ針で釣り上げられたサファイアリング
香水の瓶の上に置かれたサファイヤの指輪
金製のアクセサリーとスカーフのディスプレー
グレーバックに曲線でディスプレーされたアクセサリー
石板にシルクを三角に折りアクセサリーを配置
大理石にディスプレーされたイタリアンチェーン
ハートのサファイヤの水滴
サファイヤのネックレス
Europe Austria Wien Palace
Pyrargyrite crystals
Cursed amethyst
First laser
Tourmaline crystal specimens
Various colored diamonds and gemstones
Assorted jewels, close-up
Diamonds
Ruby in Fuchsite a Crystal Gemstone
Botryoidal chalcedony, close-up
Various colored and heart shaped crystals
Franklinitein calcite groundmass
Cullinan Diamond
Mass of pyramid-shaped amethyst crystals
Single amethyst crystal, close up
Topaz specimens
Almandine
Theodore Maiman, American physicist
YELLOWSTONE: HOT SPRING.
Synthetic diamond film
Illustrations of Indian diamonds
Diamond rings in box, close-up
Wad, close-up
Tourmaline crystal specimen
Tourmaline specimen
Pyrolusite in quartz
Emerald
Gems
Diamond mine slag heaps
Diamond theft reward poster, April 1965
Synthetic diamond film production
Electrochemical sensor production
Venetia Diamond Mine, South Africa
Diamond miners with explosives
Diamond miners, South Africa
Diamond mine, Siberia, Russia
Diamond processing, Siberia, Russia
Bauxite
Turquoise embedded in iron oxide
指輪と花びら
Sample of haematite
Jasper, a form of chalcedony, close-up
Hematite, close-up
Chryosprase, a form of chalcedony
Dendritic mineralisations in chalcedony
Hematite crystals
Tungstite in quartz groundmass, close-up
Cubic perovskite crystals in groundmass
Round cut mauve Spinel gemstone
Cut Red Spinel gemstone
Cuprite crystals, close-up
Asscher cut diamond gemstone
Pink diamonds
Opal specimens
Grossular
Toxic sludge spill, Hungary, 2010
Vanadinite crystals
Lapis lazuli, SEM
Gneiss with garnet, light micrograph
Gneiss with garnet
Rubies panned from river gravels
A scoop of diamonds and gemstones
Lunar core sample
Ruby in tweezers, studio shot
Jewelry in treasure chest
Jewelry Brooch