(1979) found that in an assumed Al-conservative alteration of granitic biotite to chlorite there was a 13% volume de-crease, and that Mg2+ and Fe2+ ions were added. Veblen and Ferry (1983) examined the partially chloritized biotite described by Ferry (1979) using transmission electron mi-croscopy. They showed that alteration to chlorite pro-
Part of the Internet technologies glossary: Bitcoin is a digital currency (also called crypto-currency) that is not backed by any country's central bank or government.Bitcoins can be traded for goods or services with vendors who accept Bitcoins as payment.art of the Internet technologies glossary: Bitcoin is a digital currency (also called crypto-currency) that is not backed by any country's central bank or government.
Bitcoin Exchange Bitcoin is a cryptocurrency that is attracting a lot of attention in finance circles. It is outside of the control of any central bank, and the scarcity of the currency is set by a computer algorithm.