写真素材の検索結果

Mylonite, light micrograph

Tourmaline crystal, thin section

Tourmaline mineral, light micrograph

Tourmaline mica in slate

Rock strain fringes, light micrograph

Black tourmaline, SEM

Tourmaline

Tourmaline schorl specimen

Verdite green tourmaline gemstone

Magnetite in quartz

Black tourmaline in mica schist

Tourmaline

Tourmaline crystals in quartz

Black tourmaline in mica schist

Indicolite tourmaline faceted stone

Watermelon tourmaline crystalline stone

Hawk's Eye quartz stone

Schorl tourmaline crystal stone

Granite specimen

Rubellite tourmaline pendant

Tourmaline crystals in quartzite

Tourmaline crystal specimen

Tourmaline crystal specimens

Tourmaline

Tourmaline

Tourmaline specimen

Watermelon tourmaline

Elbaite mineral

Dravite mineral

Tourmaline crystals in quartz

Tourmaline crystals in quartz

Elbaite on albite and quartz

Schorl and quartz crystals in groundmass

Tourmaline embedded in feldspar rock

Elbaite mineral (tourmaline)

Bi-coloured tourmaline crystals

Graphic tourmaline, light micrograph

Tourmaline gemstone

Tourmaline gemstone

Tourmaline gemstone

Tourmaline gemstone

Tourmaline gemstone

Tourmaline gemstone

Kimberlite rock, light micrograph

Garnet mica schist thin cut, polarised light micrograph

Garnets in micaschist, light micrograph

Snowball garnet, light micrograph

Gneiss with garnet, light micrograph

Gneiss with garnet, light micrograph

Tourmaline

Tourmaline gemstone

Tourmaline crystals in quartz

Tourmaline crystals in quartz

Yellow-green Tourmaline rough

Yellow-green Tourmaline rough

Amphibolite, light micrograph

Amphibolite, light micrograph

Amphibolite, light micrograph

Gneiss with garnet, light micrograph

Gneiss with garnet, light micrograph

Opal surface

Cut Watermelon Tourmaline gemstone

Trillion cut tourmaline gemstone

Cut green Paraiba Tourmaline gemstone

Magnetite on Serpentine

Raw tourmaline crystal

Tourmaline gemstones and crystal

Tourmaline crystals in quartz

Tourmaline in quartz

Tourmaline gem, 365 carat

Tourmaline gem

Tourmaline crystals in matrix

Schorl, the black variety of Tourmaline

Tourmaline Crystals, Minas Gerais, Brazil

Tourmaline crystals in matrix

Tourmaline

Tourmaline

Elbaite crystal, variety Tourmaline

Schorl variety of Tourmaline, Namibia

Tourmaline crystals

Rubellite Tourmaline in Lepidolite Mica

Green Tourmaline in Muscovite, Maine

Albite with Tourmaline

Tourmaline crystals on Albite

Tourmaline crystals in quartz

Tourmaline gemstones in quartz

Tourmaline crystal

Tourmaline in gneiss rock

Bi-coloured tourmaline crystals

Blue tourmaline crystals

Blue tourmaline crystals

Pink tourmaline crystals growing on mica

Pink tourmaline crystals growing on mica

Quartz and green tourmaline crystals

Crystals of green toumaline and pink lepidolite

Tourmaline gemstones

Tourmaline quartz

Tourmaline pegmatite

Tourmaline Pegmatite

Magnetite and calcite

Amethyst, SEM

Microdiamond crystal

Malachite, SEM

Mica in quartz, light micrograph

Jasper, polarised light micrograph

Jasper, polarised light micrograph

Tourmaline unworked stones

Opal

Opal

Opal gem necklace

Opal in its host rock

Boulder opal formation

Opal gem and rock

Opal specimen and cut stone

Fire opal

'Black' opal cabochon specimen

Opalised fossil

Opal in its host rock

Opal on bedrock

Ironstone matrix with potch opal

Potch opal with smooth and rough surface

Mineral samples

Opal

Mineral properties, 18th century

SEM of nickel-rich magnetites from K/T Boundary

Emerald, SEM

Emerald, SEM

Tourmaline gemstones

Opal gemstones

Blue opal gemstones

Opal gemstones

Opal specimen

Single piece of blue opal

Opal mineral stone

Opal rock

Black opal gemstone

Agate. polarised light micrograph

Agate. polarised light micrograph

Agate. polarised light micrograph

Agate. polarised light micrograph

Tourmaline

Tourmaline on quartz

Tourmaline on quartz

Rough pinkish-red Rubellite

Gneiss, thin section, polarised LM

Kelephytic corona, light micrograph

Lherzolite rock, light micrograph

Eclogite rock, light micrograph

Pyroxenite rock, light micrograph

Dunite rock, light micrograph

Olivine flakes, light micrograph

Lherzolite rock, light micrograph

Peridotite rock, light micrograph

Peridotite, polarised light micrograph

Moss agate, polarised light micrograph

Tourmaline cross section

Cut green Tourmaline gemstone

Sand, SEM

Microdiamond crystal

Tremolite crystals

Tremolite crystals

Agate. polarised light micrograph

Opal specimens

Ruby crystals, SEM

Ruby crystals, SEM

Ruby crystals, SEM

Opal

Opal

Opal

Opal

Round polished Common Opal

Cut Fire Opal gemstone

Polarised LM of thin section of gabbro

Asscher cut diamond gemstone

Pink diamonds

Polarized light experiments, 1847

Granitic pegmatite

Scheelite in magnetite groundmass

Tourmaline

Tourmaline

Limburgite

Limburgite

Cut Indicolite gemstone

Lapis lazuli, SEM

Opal gemstone

Selenite mineral, light micrograph

Mica schist folds, light micrograph

Staurolite phenocrysts, polarised light micrograph

Limestone, light micrograph

Limestone, light micrograph

Limestone, light micrograph

Lasa marble, light micrograph

Lasa marble, light micrograph

Lasa marble, light micrograph

Quartz nodule, polarised light micrograph

Quartz nodule, polarised light micrograph

Agate, polarised light micrograph

Lapis lazuli

Lapis lazuli

Lapis lazuli crystals