Ruby crystals, SEM
Ruby
Ruby crystal and gems
Large ruby slice
Ruby in zoisite
Rubies and sapphire
Synthetic ruby
Ruby gemstones
Rubies
Pyrargyrite crystals
Sapphire crystal
Synthetic gemstones
Precious gemstones
First laser
Sapphire, SEM
Sapphire crystals in rock groundmass
Five polished ruby gemstones
Colourful gemstones
Ruby and sapphire specimens
Ruby quartz
Almandine crystals
Microdiamond crystal
Theodore Maiman, American physicist
Cut Ruby gemstone
Sapphires
Ruby in Fuchsite Crystal Stone
Ruby in Zoisite Crystal Gemstone
Ruby in Fuchsite a Crystal Gemstone
Watch Movement, SEM
Ruby in tweezers, studio shot
Ironstone matrix with potch opal
Amethyst
Garnets in micaschist, light micrograph
Rubies panned from river gravels
Sapphire gemstones
Blue sapphire stone
Blue Sapphire uncut stone
Orange sapphire gemstone
Copper oxide crystals, SEM
Cut sapphire
Polished rubies
Sapphire ring
Mass of pyramid-shaped amethyst crystals
Lapis lazuli, SEM
Pyrolusite in quartz
Amethyst, SEM
Azurite crystals, SEM
Hematite crystals
Malachite crystals, SEM
ルビー
Dendritic mineral crystals
Tourmaline crystal, thin section
Cuprite crystals, close-up
Quartz crystals, SEM
Haematite, SEM
Mica in quartz, light micrograph
Nickel dendrites, SEM
Almandine
Andradite crystals
Nephrite crystals
Tremolite crystals
Topaz crystals
Amethyst crystals
Star rubies and sapphires
Salt crystals, SEM
Single amethyst crystal, close up
Fluorapatite crystal, SEM
Tourmaline crystals in quartz
Garnet crystals on schist
Uvarovite garnet crystals
Almandine crystals in schist
Tourmaline crystals in quartzite
Lapis lazuli crystals
Grossular crystals in host rock
Calcium carbonate crystals, SEM
Iron pyrite crystals, SEM
Grossular garnet crystals on rock surface
Schorl and quartz crystals in groundmass
Magnetite, SEM
Pink beryl crystal, SEM
Zeolite catalyst crystals, SEM
Emerald, SEM
Franklinitein calcite groundmass
Dendritic mineralisations in chalcedony
Manganese oxide, dendritic form
Matildite crystals, SEM
Quartz crystal, SEM
Gold bar and ruby in gift box
Agate. polarised light micrograph
Gneiss with garnet, light micrograph
Microlite crystals in groundmass
Sample of sapphire
Cubic perovskite crystals in groundmass
宝石イメージ
Diamond rings in a pile
グレープフルーツ
グレープフルーツジュース/ルビー
2つの赤いハート
ヒマワリ ルビー 上堰潟公園
宝石
トロピカルフルーツ
サファイヤ、ルビー、K18ダイヤリング