£6.00 ex VAT
500 grams of graphite chips and particles from Sri Lanka, excellent quality material with a metallic lustre. Graphite is pure carbon and is used almost every day in modern society as it is the lead which is used in pencils, replaced decades ago to replace actual lead (galena) due to it’s toxic effects. Available in packs containing 500 grams along with an information card.
Out of stock
Graphite, a carbon based element and mineral, exhibits typical graphitic texture and cleavage, available in various sizes, each specimen is supplied in a card tray with an information label. Industrially, it is also regarded as the highest form of coal, above anthracite sometimes even being called ‘meta-anthracite’ However, it is difficult to ignite, and in this sense, has no purpose as a fuel source. However, it has a variety of other industrial use such as in various batteries often used in modern technology including smart phones, tablets and laptops. It is also used in steel production, lining of brakes for cars and motorcycles and of course it’s most famous use is in pencils, replacing natural lead form the 16th century on wards after the poisoning effects of lead (galena) became apparent. The graphite used in pencils is often low grade material, usually coming from China, these particular samples are of high grade material and exhibit more lustre as they are from Sri Lanka. These mineral specimens of graphite exhibit perfectly what is expected from such a mineral, a dull metallic lustre, greasy feel and fine crystalline texture, sizes vary ranging from dust to 10 mm,the samples will come supplied in a polythene bag with an information card, ideal where large quantities are required for lower costs, such as for schools, kits and hand outs, in lots of 500 grams.