Polished Collection (page 8)

Pyrus communis, two whole Pears

Metal spoon, view from above

Malus domestica, a whole Apple with slices of on the side

Prunus persica, two whole Peaches

Bottles of Champagne and wine in polished wood rack

Malus pumila, two red and one green apple side by side

Morganite C016 / 6142
Morganite. This gemstone is 600 carats and one of the worlds largest Morganite specimens. Natural History Museum, London, UK

Polished coral C016 / 5994
Polished coral (Isastraea oblonga). Specimen from the Jurassic period, found in upper Portlandian beds in Tisbury, Wiltshire, UK

Yellow sapphire C016 / 6139
Yellow sapphire from Sri Lanka. It weighs 101 carats and was acquired by the Natural History Museum, London, UK, in 1874

Silicon wafer production, artwork
Silicon wafer production. Cutaway artwork showing the apparatus used to polish silicon wafers. Silicon used in microchips needs to be precisely engineered for structure and purity

Ships wheel. This is connected to the ships rudder, and is turned to steer the ship to right or left. This ships wheel, part of the helm, has six spokes that meet at a hub and central axle

3D printed objects C014 / 0279
3D printed objects. Pendants made using the process of stereolithography. Stereolithography (or optical fabrication) is an additive manufacturing (3D printing) technology used for producing models

Opal jewellery C018 / 2528
Opal jewellery. Cut and polished opal set into a piece of golden jewellery. Opal is the national gemstone of Australia, which produces 97 per cent of the worlds supply

Pallasite meteorite C016 / 5869
Pallasite meteorite. Cut surface of a pallasite meteorite showing its structure. Pallasite meteorites are a type of stony-iron meteorite that consists of grains of olivine (yellow) in an iron matrix

Spessartine garnet C016 / 5657
Spessartine garnet (manganese aluminum silicate). A cut stone and crystal from the collections of the Natural History Museum, London, UK

Petrified tree fern, tree trunk fossil C016 / 4914
Petrified tree fern. Polished section of a fossil of the trunk of the tree fern Psaronius. This specimen is approximately 15 centimetres across

Petrified conifer, tree trunk fossil C016 / 4912
Petrified conifer. Polished section of a fossil of the trunk of the conifer Araucarioxylon arizxonicum. This is the dominant conifer of Petrified Forest National Park, Arizona, USA

Large citrine gemstone C016 / 4865
Large citrine gemstone. Light reflecting and refracting from a large cut citrine gemstone. Citrine is the yellow and orange variety of quartz (silicon dioxide)

Ruin marble C013 / 6644
Polished ruin marble. Ruin marble is a kind of limestone or marble that contains light and dark patterns, giving it the impression of a ruined cityscape

Ammonite memorial stone C013 / 6641
Ammonite memorial stone. Polished slab of marble containing Ammonite fossils. The large ammonites are Asteroceras marstonense, the small ammonites are Promicroceras marstonensis

Agate C013 / 6529
Agate. Section through a specimen of agate from Middlefield, Scotland, UK. Agate is an aggregate of different forms of silica (SiO2) within a geode

Agate Botswana

Jade
A block of jade measuring more than a metre across and weighing over half a tonne

Crystal balls are produced by grinding and polishing quartz (silicon dyoxide) cystal into spheres

Plate 3, fig 4 from Mineralienbuch
A illustration of a slice of polished brown jasper. Jasper is a variety of cryptocrystalline quartz (silicon dioxide). Plate 3, fig 4 from Mineralienbuch by F. A. Schmidt, Stuttgart 1855

Agate
This polished agate specimen from Saxony is called Breccia Sanguigna. This brecciated agate comprises mainly of irregular sized fragments of cryptocrystalline quartz, set in a finer matrix

Breccia Coralina Rosa, marble
Polished specimen of the metamorphic rock marble from a ruin of ancient Rome

Africano Sanguigno, marble
Polished specimen of the metamorphic rock marble from a ruin of ancient Rome

Agate
A polished slice of agate from Uraguay. Agate (silicon dioxide) is a cryptocrystalline quartz

East African copal
A piece of copal with a crazed surface caused by oxidisation. Preserved inside is a beetle Coleoptera:Oocamenta. Specimen is less than two million years old

Agate
A polished slice of agate or chalcedony from Uraguay. Agate (silicon dioxide) is a cryptocrystalline quartz

Isastraea oblonga, polished coral
Isastraea oblonga (Fleming). From the Jurassic period, Portlandian, Upper Beds, Tisbury, Wiltshire

The Canyon Diablo meteorite
The cut, polished and etched surface of the Canyon Diablo meteorite reveals its high iron content

Opal
A cut stone and crystal of opal. Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)

Spessartine garnet
Spessartine comprises of (manganese aluminum silicate). A cut stone and crystal from the collections of the Natural History Museum, London

Psaronius, tree fern
Polished section through the trunk of the tree fern Psaronius, width approximately 15 cm, from Chemnitz, Garmany, dating back to the Permian period, 250 - 299 million years ago

Chalcedony
Polished slab of chalcedony with radiating structure. Chalcedony or agate is a variety of cryptocrystalline quartz (silicon dioxide)

Jet ornament is similar to amber in texture and to coal in appearance. Jet is fossilised timber of a variety of Araucaria - similar to todays monkey puzzle trees

Jadeite crystal and cut stone
Jadeite comprises of (sodium aluminum iron silicate) and is actually not a mineral outright, but is a variety of the mineral actinolite. Specimens from the Natural History Museum, London

Corals
Specimens of rough and polished coral from the collections of the Natural History Museum, London

Coeloria labyrinthifor, fossil brain coral
In this polished section of a Miocene brain coral, from Antigua, long meandering corallites with thin septa form a dense meshwork. The specimen measures 8 cm across

British marble specimens

Araucaria mirabilis, silicified seed cones

Centipede in Baltic amber
Centipede, Chilopoda in Baltic amber. The centipede has been half polished away and is filled with pyrite crystals

Verdite
Polished surface of a verdite specimen from Jamestown, Transvaal. Verdite is also known as Africas Green Gold. It is a silicate mineral and often used for decorative carving and sculpture

Tiger eye specimen

Leopardskin stone specimen

Hematite tumblestone

All Professionally Made to Order for Quick Shipping

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