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Shell money is a medium of exchange similar to coin money and other forms of commodity money, and was once commonly used in many parts of the world. [1] Shell money usually consisted of whole or partial sea shells , often worked into beads or otherwise shaped.
In sixteenth-century continental North America, trade beads (sometimes called aggry and slave beads) were decorative glass beads used as a token money to exchange for goods, services and slaves (hence the name). The beads were integrated in Native American jewelry using various beadwork techniques.
In economics, a medium of exchange is any item that is widely acceptable in exchange for goods and services. [1] In modern economies, the most commonly used medium of exchange is currency . Most forms of money are categorised as mediums of exchange, including commodity money , representative money , cryptocurrency , and most commonly fiat money .
Fire clay in a furnace. Fire clay is a range of refractory clays used in the manufacture of ceramics, especially fire brick. The United States Environmental Protection Agency defines fire clay very generally as a "mineral aggregate composed of hydrous silicates of aluminium (Al 2 O 3 ·2SiO 2 ·2H 2 O) with or without free silica." [1]
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Traders generally negotiate through a medium of credit or exchange, such as money. Though some economists characterize barter (i.e. trading things without the use of money [1]) as an early form of trade, money was invented before written history began. Consequently, any story of how money first developed is mostly based on conjecture and ...
Money is any item or verifiable record that is generally accepted as payment for goods and services and repayment of debts, such as taxes, in a particular country or socio-economic context. [1] [2] [3] The primary functions which distinguish money are: medium of exchange, a unit of account, a store of value and sometimes, a standard of deferred ...
All fired ceramic wares or materials which, when shaped, contain a significant amount of clay. Exceptions are those used for technical, structural or refractory applications. Pottery is also: (1) the art and wares made by potters; (2) a ceramic material (3) a place where pottery wares are made; and (4) the business of the potter.