Sapphire, SEM
Sapphire crystal
Rubies and sapphire
Sapphire gemstones
Ruby and sapphire specimens
Sapphires
Synthetic gemstones
Ruby
Ruby quartz
Sapphire ring
Precious gemstones
Ruby crystals, SEM
Emerald, SEM
Sapphire gemstone
Watch Movement, SEM
Sapphire crystals in rock groundmass
Cut sapphire
Synthetic ruby
Ruby in zoisite
Star rubies and sapphires
Sapphires panned from river gravels
Yellow sapphire
Sapphire Crystal Gemstone
Blue sapphire stone
Blue Sapphire uncut stone
Orange sapphire gemstone
Sample of sapphire
Cut Sapphire gemstone
Cut yellow sapphire gemstone
Sapphire, Sri Lanka, 288 carat
Sapphire gravel recovered from a stream
サファイア
Rubies
Large ruby slice
Ruby crystal and gems
Gem in box
サファイヤの指輪
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
Nanostructures on vanadium, SEM
Ruby gemstones
Moss agate, polarised light micrograph
Citrine and sapphire gemstones
Sapphire mining, Madagascar
Oval cut purple sapphire gemstone
Ruby and sapphires
Diamond rings with jade in box, close-up
Diamond ring
Diamond rings in a row
Diamond ring, close-up
Diamond rings, close-up
Diamond ring in box, close-up
Diamond rings in a pile
宝石イメージ
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
Molybdenum disuphide research
Blue rectangular gemstone
Various colored diamonds and gemstones
Assorted jewels, close-up
Assorted jewels
Gemstones and light dispersion
Almandine crystals
Chromite and serpentine
Diamonds
Crystalline manganese, SEM
Diamond rings in box, close-up
Various colored and heart shaped crystals
Chromite
Meteorite Jepara, thin section, LM
指輪と花びら
Rose quartz crystals, SEM
Emerald cut ruby gemstone
Gems
Jewelry in treasure chest
Haematite, SEM
Zinc oxide crystals, SEM
Microdiamond crystal
Polishing cloth cross-section, SEM
Emerald in quartz hostrock
Filler (Sillitin Z 86), SEM
Uvarovite crystals
Jewelry
Black tourmaline, SEM
Lapis lazuli, SEM
Jewelry Brooch
diamond necklace
Arthrobacter sp. pleomorphic, soil prokaryote, SEM
Colourful gemstones
Female jeweler making a sapphire ring
Cenolite filler, SEM
Meteorite Jepara, macrophotograph
A scoop of diamonds and gemstones
Bauxite
Malachite, SEM
Jeweller's hacksaw blade, SEM
Micrometeorite, SEM
Sodium phosphate crystals, SEM
Calcium carbonate crystal, SEM
Calcium carbonate crystals, SEM
Humphry Davy (1778-1829), English chemist
Sand, SEM
Tantalite
Nanowires on vanadium oxide, SEM
Ironstone matrix with potch opal
ガラスのオブジェに掛けられたデザインネックレス
Amethyst, SEM
Mylonite, light micrograph
Jewelers making a sapphire ring
Azurite crystals, SEM