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PRODUCTS BY WEIGHT
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PLASTIC DISPLAY PRODUCTS
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Frosterley Marble is not a marble but a black limestone containing fossil coral specimens of Carboniferous age. The specimens are from Harewood quarry, Co. Durham, supplied by weight in lots of 1 kilogram.
Out of stock
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Email: contact@mydomain.com
Phone: +1 (23) 456 789
Frosterley Marble is not a marble but a black limestone containing fossil corals of Carboniferous age. The most famous use of the Frosterley Marble is in Durham Cathedral where the ceiling of the Chapel of Nine Altars is supported by slender columns of this unusual stone. Our examples are from Harewood Quarry, Co. Durham. Samples come in a weight of 1 kilo, supplied in a poly bag with a data card. Sizes of pieces inside will vary.
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Carboniferous coral limestone from Anglesey, North Wales. Composed largely of well preserved Lithostrotion corals, supplied in lots of 1 kilogram.
Lower Carboniferous crinoidal limestone from Derbyshire, U.K. Supplie dby weight in lots of 1 kg. Comes in a polythene bag with an information label.
Specimens of Oolitic Limestone, collected from Gloucestershire in the UK. Oolitic Limestone is a carbonate rock, that consists mostly of ooliths (or ooids). These are sand-sized carbonate particles (0.25 -2.0mm) built up of concentric shells of precipitated calcium carbonate (CaCO3). These layers form around sand grains or shell fragments that roll around on a shallow sub tropical sea floor, gathering layers of carbonate. Around the Cotswold Hills, the honey coloured stone has been the favoured building material for centuries. Many local picturesque hamlets showcase this. These specimens tend to be a little more friable than the examples from Yorkshire. These specimens are Mid Jurassic in age. They are available in multiple sizes and supplied in a white card tray with information label.
We also supply Oolitic Limestone thin sections for microscope study which are available to buy HERE.
300 in stock
Limestone, a common sedimentary rock often used in building and stone work. These samples are carboniferous in age and are supplied by weight in lots of 1 kg.
Specimens of Cannonball Limestone, collected from around the Hartlepool area, in the UK. This is a very distinctive and rare form of limestone known as Cannonball rock. It is part of the Rocker formation; a basin slope deposit which comprises part of the Zechstein Group. This is a highly studied sedimentary formation which dates to the Mid to Late Permian Period. These specimens are small, and come supplied in a 1.5″ x 1.5″ plastic magnifier box with an information label.
5 in stock
Specimens of Frosterley Marble, collected from Harewood Quarry, Co. Durham in the UK. Frosterley Marble is not actually a marble, but rather a black limestone consisting of Carboniferous age fossil corals. This makes it a sedimentary rock. The most famous use of Frosterley Marble is in Durham Cathedral where the ceiling of the Ceiling of the Chapel of Nine Altars has slender column supports composed from this stone. These specimens are available in multiple sizes and come supplied in a white card tray with an information label.
60 in stock
Pumice thin section slide exhibiting the highly vesicular nature of this extrusive igneous rock. Pumice lavas tend to be silicic or felsic which are highly viscous thus do not allow the gas bubbles to escape efficiently.This material was collected from the Lipari islands of Italy.
9 in stock
Rhyolite Felsite, a highly felsitic composed variation of Rhyolite, found in Fife, Scotland, an extrusive igneous rock composed of sodium, quartz and feldspar, thus often having a pale white to pink colouration. Available in various sizes and supplied in a card tray with an information label.
32 in stock
Graphic Granite is a leucocratic igneous rock found predominantly in granitic pegmatites. It’s coarse intergrowths of feldspars display a Runic or Cuneiform configuration hence the term “graphic”
98 in stock
Mahogany obsidian sourced from the United States of America. Impurities of magnesium and iron give this variety a red or brown appearance hence the name ‘mahogany obsidian’ or oak obsidian. Each Sample is supplied in a labelled card tray.
Out of stock
Pink Granite, rich in potassium feldspars giving the distinctive pink hue, easily identifiable as a granite due to its mineral composition. Specimens come from Scotland and are supplied in a card tray with label.
8 in stock
Metagabbro specimens from Lom, Central Norway. Also known as scapolite-hornblende due to the absence of feldspar in the rock are available in 3 optional sizes and come supplied in a card tray with a data label.
40 in stock
Rhyolite specimens found in Cumbria. Rhyolite is a felsic (silica rich) rock, often formed in highly explosive volcanoes. Specimens are supplied in a polythene bag in lots of 1 kg with a label.
Micro Granite is a variation of the granite group of rocks, composed of the minerals quartz, feldspar and mica. These particular samples were collected from Threlkeld quarry, Cumbria, UK. They are supplied in a small white tray with an information label.
We also supply Microgranite thin sections for microscope study which are available to buy HERE.
193 in stock
Snowflake obsidian is quite striking in appearance. It is characterised by the inclusion of radially clustered crystals of cristobalite, which when viewed at a glance, appear like snowflakes on the surface of the rock. These crystal clusters are set in an otherwise black vitreous matrix of obsidian, which is an naturally occurring volcanic glass, even exhibiting a conchoidal fracture. Cristobalite is a high temperature polymorph of silica, it can form as a result of the devitrification of the obsidian. These specimens come from Java, Indonesia and are supplied in card trays, sizes which are optional, each tray also has a small data label supplied.
We also supply Snowflake Obsidian thin sections for microscope study which are available to buy HERE.
Granite adamellite thin section slide exhibiting crystals of quartz, biotite and feldspar. We collected this material from the famous Shap Fell quarry, in Cumbria hence the rocks alternative name ‘ Shap Granite ‘.
We provide a full range of igneous, sedimentary, metamorphic and mineral thin sections. Click here to view them. Should you require a microscope, they can be found here.
8 in stock
Adamellite granite also known as shap granite from Cumbria, famous for its large pink feldspar crystals his granite is well known. The samples come from the Shap Quarry, Shap Fell, Cumbria and are supplied in a polythene bag in lots of 1 kg with a label.
Micro Granite is a variation of the granite group of rocks, composed of the minerals quartz, feldspar and mica. These particular samples were collected from Threlkeld quarry, Cumbria, UK. Specimens are supplied in a polythene bag in lots of 1 kg with a label.
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