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PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
£4.00 – £10.00 ex VAT
• Geological Age: Ordovician period, 488 to 420 millions years old
• Location: Erfoud, Morocco
• Family: Cephalapod
• Species: Orthoceras fluminense
Orthoceral fossil specimens from the limestone deposits located in Erfoud, Morocco, these samples which are Ordovician in age, over 400 million years old, echibit morphological details of the cephalapods shells very well, the separate segments can easily be seen and are between 3 to 6 cm in size and an off white colour. Available by weight, ideal for teaching use, the pieces will come supplied in a bag with a label.
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Elessi will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase.
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed.
Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
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Phone: +1 (23) 456 789
Rough orthoceras fossil shells from Morocco, these excellent samples depict the ever popular cephalapod shell, a type of squid, in their natural unpolished state, also exhibited are the segments which make up the shell, each one being a separate gas filled chamber of the animal when it was alive. They range in size from 30 to 60 mm with occaisonal larger pieces, they are dated to the Ordovician period, making them approximately 488 million years old and were collected from the limestone deposits of Erfoud, Morocco.Available in various weights which is ideal for educational use, kits and packs allowing you to obtain more pieces for your money, they samples will come supplied in a polythene bag with a label.
Weight | 270 g |
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Weight Options | 1 kilogram, 250 grams, 500 grams |
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Specimens of Puddingstone, collected from Hertfordshire, UK. Puddingstone is a variation of conglomerate, which is term used to describe a coarse grained sedimentary rock, featuring large, well rounded clasts in a finer grained matrix. It dates back to the Paleocene to Eocene period around 56 millions years ago. This particular rock is composed almost entirely of silica and has no porosity, likely contributing to its notorious hardness. This rare rock is only found in quantity at one locality in Hertfordshire. As such, it is becoming exceedingly difficult to obtain. This rock is available in multiple sizes and each piece comes supplied in a white card tray with information label.
This Mahogany obsidian is sourced in 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. Specimens are supplied in a polythene bag in lots of 1 kg with a label.
Out of stock
Specimens of Limestone, collected from Derbyshire. Limestone is a common, well known sedimentary rock. It consists of the calcium-rich shells, bones, and skeletons of the fauna that dominated during that period. It was laid down approximately 350 million years ago in semi tropical seas and comes from the Dinantian epoch of the Lower Carboniferous. This rock is very pure, about 98% soluble in rainwater (over time) leaving only residual clay. Its uses include aggregate, building stone, the manufacture of cement, paper & calcium carbide. Available in various sizes, each piece comes supplied in a white card tray with information label.
We also supply Limestone thin sections for microscope study which are available to buy HERE.
100 in stock
• Geological Age: Late Devonian period, 372 – 358 million years old
• Location: Alnif, Morocco
• Species: Various species.
Various goniatite fossil specimens from Alnif, Morocco, supplied by weight with various options available, these hematite stained red fossils show clear suture lines, chambers and coils, they are supplied in whole and partial pieces varying between 10 to 15 mm in size. Dated to the late Devonian period, 372.2 million years ago to 358.9 million years ago these fossils were found in what is now Alnif, Morocco, an area more known for it’s dessert and heat. However, during the late Devonian period, this area was submerged, being a marine environment, in which these various species of goniatites as well as other marine dwelling fauna lived.
Out of stock
This granite pegmatite contains large sheets of muscovite mica, orthoclase feldspar and quartz matrix. An excellent teaching material which comes from Southern Norway. Each specimen comes in a labelled card tray.
Out of 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.
Syenite thin section slide. The thin sections show a dominant feldspar mass ( orthoclase ) with occurrences of hornblende, amphibole and clinopyroxene. Biotite mica may also be present however its occurrence is rare, The thin section is supplied in a protective card sleeve with a label, ideal for microscopy and educational purposes.
Click here to to explore our extensive collection of igneous, sedimentary, metamorphic, and mineral thin sections. We offer a wide range of options to cater to your needs. If you require a microscope, you can find them available here as well.
5 in stock
• Geological Age: Devonian period, 419 to 358 millions years old
• Location: Morocco
• Family: Brachiopod
• Species: Atrypa sp.
Atrypa specimens found in Morocco, these brachiopod fossils are supplied in various optional weights, they measure 1 to 2 cm in size and show excellent details such as shell form, shape, ribbing and more. The amounts received will vary depending on the weight purchased, the samples will come supplied in a polythene bag with an information label. Ideal for economical purchasing, where large amounts are required for little costs, such as for gift packs, crafts and educational use.
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
Banded rhyolite from Glen Coe, Scotland showing laminar flow banding which was produced by the viscous lava which formed the rock, available in various sizes, these specimens are suitable for educational use to display flow banding. Supplied in a card tray with an information label.
65 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.
Obsidian is a naturally occurring volcanic glass derived from a rapidly cooled high silica lava. Often associated with the margins of Rhyolitic lava flows. It has little or no discernable crystalline structure. Specimens are supplied in a polythene bag in lots of 1 kg with a label.
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