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Specimens of graptolites in shale from Abereiddy Bay, Wales, these samples have been dated to the Ordovician period. These samples are ideal for educational use due to the clear visibility of the graptolites but would make an excellent addition to any fossil collection. Specimens are supplied in a 2″ x 2″ white card tray with an information label.
Out of stock
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Specimens of graptolites in shale from Abereiddy Bay, Wales, these samples have been dated to the Ordovician period. This shale contains the small, delicate, blade-like fossils of colonial marine creatures known as Graptolites. (phylum Hemichordata). They are known chiefly from the Upper Cambrian through the Lower Carboniferous Their name is derived from Greek graptos & lithos, which roughly translates as “written on rock” as they do have the appearance of being pencil drawn. Their structure is best viewed with a hand lens. Graptolites are globally wide ranging so are used as index fossils. Specimens are supplied in a 2″ x 2″ white card tray with an information label.
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Fossiliferous shale microscope slide showing thin black lenses of organic matter ( in XPL view ) which fell from suspension in very low energy environments.The section is made to 30 microns thickness and the glass is 46 x 27 mm in size with a cover slip. Supplied in a protective card sleeve with a label, ideal for microscopy.
Out of stock
Dark grey Graptolitic Shale from Scotland or Cumbria. Contains the delicate blade-like fossils of Graptolites. These were small, colonial marine creatures. Please note that the graptolite content of these specimens is variable.
20 in stock
Shale microscope slide showing thin black lenses of organic matter (in XPL view) which fell from suspension in very low energy environments. The section is made to 30 microns thickness and the glass is 46 x 27 mm in size with a cover slip. Supplied in a protective card sleeve with a label, ideal for microscopy.
5 in stock
Specimens of Ribbon Banded Mudstone, collected from North Wales. In particular, these specimens are Silurian in age & specifically from the Nantglyn Flag Group of the Denbigh Grit Formation. This largely grey rock shows alternating bands of fossiliferous mudstone and laminated muddy siltstone with subordinate thin pale green to yellowish lenticular bands of calcareous siltstones. These specimens are available in multiple sizes and come supplied in a white card tray with an information label.
294 in stock
Pyromorphite crytsals on a baryte matrix mineral specimens from Caldbeck Fells, Cumbria. The crystals are globular in formation with a dull green colour which is in contrast to the yellow or pink baryte matrix. When found in sufficient quantities, the mineral tends to be mined and used as lead ore. Available in various sizes and supplied in a card tray with a label.
Out of stock
Geological Age Triassic
Fossil Location: Madagascar.
Slices of fossil wood from Madagascar. Specimens are polished on one side to enable clear viewing of inside features.
Selenite crystal specimens, a variety of gypsum from Oxford, UK, found in the Oxford clay, the crystals are transparent, have a pearly or vitreous lustre and appear as clusters of crystals. They are available in two sizes only and come supplied in card tray with a label. Suitable for educational use when explaining evaporite minerals or for collectors of British specimens.
Iron and manganese mix collected from the Lecht Iron Mines of Tomintoul, Aberdeenshire. Specimens are supplied in either a white card tray with an information label attached ( various sizes available ) or a small magnification box . Suitable for geologists, collectors or those imply interested in mineralogy.
Out of stock
Hematite mineral specimens from Oughoud, Morocco showing excellent botryoidal crystal form and metallic lustre. The samples stain very easily, they exhibit a deep red colouration and are ideal for educational purposes as text book examples available in optional sizes and supplied in a card tray with a label.
Out of stock
Excellent specimens of Orthoclase Feldspar from Brazil which show clear crystal forms. Specimens are whitish in colour and are supplied in a white card tray with an information label.
Out of stock
The tranquil appearence of the city of Edinburgh nestling between the surrounding hills and the undulating countryside of West Lothian belies their dramatic volcanic past. The Lothian landscape took over 400 million years to reach its present shape. This book tells the story of its journey from erupting volcanoes, through rivers, seas and ice caps, to the peaceful parks, restored quarries and level playing fields we see today.
2 in stock
Kaolinite is a clay mineral specimen which is used extensively in industry, it is a soft, fragile mineral and is also known as China clay. Formed form the breakdown of feldspar minerals, these samples come from Cornwall, UK and is available in 2 sizes, supplied in a card tray with a label.
Out of stock
Hornblende in massive form, collected from Norway, these mineral specimens exhibit a platy cleavage, black to dark green colouration and a dark grey streak. The samples are available in various sizes, show excellent vitreous lustre and will come supplied in a card tray with a label.
Out of stock
Galena mineral specimens from the famous Coldstone quarry, Nidderdale, Yorkshire. Well known for producing excellent metallic blue pure galena samples showing excellent cubic crystal form with very little else. Suitable for collectors and for educational use, supplied in a card tray with an information label.
Out of stock
Talc crystal mineral specimens from Norway, pale green and dark shimmering green in colour with a greasy texture and schistose crystal habit, these samples are excellent for serious collectors, they display the two forms of talc, crystalline and massive together. Available in various sizes and supplied in a card tray with a label.
Out of stock
Micaceous Sandstone. As the name suggests, this type of sandstone contains flakes of mica which can be seen glinting in the specimens.
Out of stock
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