A merchant is a person who trades in commodities produced by other people. A merchant historically was anyone who was involved in business as long as industry, commerce, and trade have existed. The status of the merchant has varied during different periods of history and among different societies. In modern times, the term occasionally has been used to refer to a businessperson or someone undertaking activities for the purpose of generating profit, cash flow, sales, and revenue utilizing a combi
Graphite, while also composed of carbon, has an entirely different crystal structure, and different uses. Graphite is used as an electrical contactor (a brush) in electrical motors. It makes a great dry lubricant for things like locks, and when mixed with clay, forms the lead for ordinary pencils.
Graphite usually occurs in flakes in metamorphosed rocks rich in carbon, but it can also be found in veins and in pegmatites. Where large deposits are found it is mined and used as an industrial lubricant and for 'lead' in pencils. The crystallinity depends on the temperature of formation and the grade of metamorphism.