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Native Metal Collection

Background imageNative Metal Collection: Chrysina limbata, silver chafer beetle

Chrysina limbata, silver chafer beetle
Silver chafer beetle specimen. The beetles have a base pigment covered by several colourless microscopically thin layers called laminae

Background imageNative Metal Collection: Slice of Canyon Diablo meteorite

Slice of Canyon Diablo meteorite
Iron meteorites, when sliced open and etched with acid, typically show a distinctive criss-cross pattern called a Widmanstatten pattern. This slice is 15cm across

Background imageNative Metal Collection: Gold with black sands in a gold pan

Gold with black sands in a gold pan
Gold (Au) is an elemental metal. It occurs mainly as nuggets in rocks or as seen here, as grains in alluvial deposits

Background imageNative Metal Collection: Kaolinite

Kaolinite
Scanning electron microscope image of kaolinite (x 4.00K). Its a common phyllosilicate mineral, its structure is composed of silicate sheets bonded to aluminum oxide/hydroxide layers

Background imageNative Metal Collection: Coleoptera sp. metallic beetles

Coleoptera sp. metallic beetles
A pair of gold and silver metallic beetles side by side

Background imageNative Metal Collection: Gold

Gold nugget found in a dry river bed outside Potchefstroom, Wits. 120 km southwest of Johannesburg, October 1882. Approximately 68x48mm and 156g in weight

Background imageNative Metal Collection: Franklinite, zinc ore

Franklinite, zinc ore
A granular rock composed of white calcite, dull green willemite, red zincite and black franklinite (Zinc Iron Manganese Oxide). See T00387 for a fluorescent view

Background imageNative Metal Collection: Benitoite

Benitoite was discovered in 1906 near the San Benito river in California which remains the only known locality for this (barium titanium silicate) mineral

Background imageNative Metal Collection: Polished slab of labradorite

Polished slab of labradorite
Labradorite (calcium sodium aluminum silicate) can seem dull and grey until the light hits correctly, then an array of colours can be observed glowing on the surface

Background imageNative Metal Collection: Beryl

Beryl
A cut heliodor beryl stone of 135.93 carats. Beryl comprises of beryllium aluminum silicate

Background imageNative Metal Collection: Perovskite

Perovskite
Large black, pseudocubic crystals of perovskite (calcium titanium oxide). It is a source of titanium and some rare earth metals

Background imageNative Metal Collection: Plate 1 from Specimens of British Minerals? vol. 1 by P. Ras

Plate 1 from Specimens of British Minerals? vol. 1 by P. Ras
Plate 1 entitled Woodlike-tin ores from Specimens of British minerals, selected from the cabinet of P. Rashleigh, of Menabilly, in the County of Cornwall (1797) by Philip Rashleigh

Background imageNative Metal Collection: Iron meteorite

Iron meteorite
This meteorite is the product of atmospheric melting, as are stony achondrites. Specimen held at the Natural History Museum, London

Background imageNative Metal Collection: Linarite

Linarite is a bright azure blue colour with crystal growth to nearly 25mm. It comprises of (lead copper sulphate hydroxide). Specimen from the Natural History Museum, London

Background imageNative Metal Collection: Quercus in amber

Quercus in amber
A male oak tree flower in Baltic amber with a length of 3.7 mm and dating from the Upper Eocene about 35 million years old. Image from Amber The Natural Time Capsule page 29 figure 86

Background imageNative Metal Collection: Corundum variety ruby; crystal and gems

Corundum variety ruby; crystal and gems
Crystal and gem specimens of ruby, the red variety of the mineral corundum (aluminium oxide). Corundum has two varieties, the other being sapphire

Background imageNative Metal Collection: Lead

Lead (Pb) is a soft but heavy, metallic element. It appears blueish white when freshly cut but quickly tarnishes to dull grey. Specimen from the Natural History Museum, London

Background imageNative Metal Collection: Nephrite jade

Nephrite jade
A specimen of nephrite jade from New Zealand. Nephrite is actually not a mineral outright, but is a variety of the mineral actinolite (calcium magnesium iron silicate hydroxide)

Background imageNative Metal Collection: Sapphire Buddha

Sapphire Buddha pin less then two centimetres tall. Sapphie is so hard it would have needed something as hard or harder to shape it, most probably another Sapphire

Background imageNative Metal Collection: Sapphire turban button

Sapphire turban button
A rose-cut facetted deep-blue sapphire mounted in a button of quartz, inlaid with gold, rubies & emeralds. No 198 in the collection of Sir Hans Sloane

Background imageNative Metal Collection: Nickel-Iron meteorite

Nickel-Iron meteorite
This cross-section through a nickel-iron meteorite shows the metallic lattice structure

Background imageNative Metal Collection: Banded iron specimen

Banded iron specimen
This banded iron specimen measures 7 cm thick and is about 3, 000 million years old, from the Murchison Goldfield, Western Australia

Background imageNative Metal Collection: Limonite

Limonite, also known as ironstone, is comprised of (hydrated iron oxide) and is characterized by its rusty colour and banded appearance

Background imageNative Metal Collection: Cinnabar

Cinnabar
Twinned dark red cinnabar crystals with small quartz crystals. Cinnabar comprises of (mercury sulphide). Specimen from the Natural History Museum, London

Background imageNative Metal Collection: Niccolite

Niccolite mineral with metallic lustre, comprises of nickel arsenide. It is also known as coppernickel and nickeline. This specimen is from the Natural History Museum, London

Background imageNative Metal Collection: Gold

Gold
A specimen of the metal element, gold, from Hopes Nose near Torquay, Devon. A beautifully delicate dendritic growh in cream-coloured calcite, with brown weathered dolomite

Background imageNative Metal Collection: Sperrylite

Sperrylite is a platinum di-arsenide (PtAs2) which occurs rarely in a few localities across the world. This specimen originates from South Africa, and is of exceptional quality

Background imageNative Metal Collection: Peridot

Peridot
Crystal of peridot from Zebirget (St Johns Island), Red Sea. Peridot is the gemstone variety of olivine (magnesium iron silicate)

Background imageNative Metal Collection: Atomic structure of gold

Atomic structure of gold
Model showing the face-centred cubic structure of atoms in a gold crystal. Gold is an elemental metal. It occurs mainly as nuggets in rocks and alluvial deposits

Background imageNative Metal Collection: Murchison Snuff Box

Murchison Snuff Box
The base of the gold snuff box presented to Sir Roderick Impey Murchison by Tsar Alexander II

Background imageNative Metal Collection: Chrysoberyl cut stone

Chrysoberyl cut stone
This is Alexandrite, a cushion-shaped Chrysoberyl (beryllium aluminum oxide) gemstone. Alexandrite is named after the former czar of Russia, Alexander II

Background imageNative Metal Collection: Platinum Nugget

Platinum Nugget
A 10-centimetre-long platinum nugget from the Nijai-Tagilsk mine in the Ural Mountains in Russia

Background imageNative Metal Collection: Serpentine cup

Serpentine cup
A mottled serpentine ornamental cup or tazza on a black marble base. The mineral serpentine is composed of (magnesium iron silicate hydroxide)

Background imageNative Metal Collection: Butterscotch wulfenite

Butterscotch wulfenite
A large specimen of the mineral wulfenite from the Glove Mine, Arizona, USA

Background imageNative Metal Collection: Tourmaline cut stones see 666

Tourmaline cut stones see 666
A group of tourmaline cut stones. Tourmaline is the name given to a group of eleven minerals which all have a general chemical formula

Background imageNative Metal Collection: Copper mass

Copper mass
This copper block was discovered by Samuel Hearne in the Arctic Circle in 1771. He carried it for a year before presenting it to the Hudsons Bay Company

Background imageNative Metal Collection: Silver wire

Silver wire
Found in the Kongsberg mines in Norway, this specimen still has its long wires attached to the white calcite in which they grew

Background imageNative Metal Collection: Diamond spikes

Diamond spikes

Background imageNative Metal Collection: Ring with a weevil set in

Ring with a weevil set in
About 200 years old, this weevil (Tetrasothynus regalis) has been set in a gold ring

Background imageNative Metal Collection: Natural ruby in marble

Natural ruby in marble
From the mines of Mogok in Burma (Myanmar). Ruby is the red variety of the mineral corundum with small impurities of chromium that turn it red

Background imageNative Metal Collection: Cursed amethyst

Cursed amethyst
When the Mineralogy Department received this amethyst in 1943 they found a note inside the box: this stone is trebly accursed and is stained with the blood

Background imageNative Metal Collection: Antigorite and bowenite

Antigorite and bowenite
Group of two specimens of antigorite (above) and two specimens of antigorite var. bowenite below. Both these specimens comprise of (magnesium iron silicate hydroxide)

Background imageNative Metal Collection: Copal

Copal
Stalactite of New Zealand copal locally known as kauri gum. Copal is the mid-stage between resin and amber. Figure 8 from Amber The Natural Time Capsule

Background imageNative Metal Collection: Chalcopyrite

Chalcopyrite or copper pyrite comprises of (copper iron sulphide). It is a common mineral and is found in almost all sulphide deposits. Specimen from Wheal Towan, Cornwall

Background imageNative Metal Collection: The Esquel pallasite

The Esquel pallasite

Background imageNative Metal Collection: The Latrobe gold nugget

The Latrobe gold nugget
A 717gm mass of crystallised cubes of gold about 11cms in length. Specimen was found at Mt. Ivor, Victoria, Australia in the presence of the then govenor of the colony, C. J. Latrobe

Background imageNative Metal Collection: Plate 10, fig 2 from Mineralienbuch

Plate 10, fig 2 from Mineralienbuch
An illustration of an andalusite mineral deposit showing columnar crystals. Plate 10, fig 2 from Mineralienbuch by F. A. Schmidt, Stuttgart 1855

Background imageNative Metal Collection: Magnetite

Magnetite (iron oxide) specimen from Piedmont, Italy. From the collections of the Natural History Museum, London



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