(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.
Gold-Backed Crypto Currency, Digix, to Increase Demand for Physical Gold. Gold investors have been slow and cautious to adopt crypto-currencies such as bitcoin. Many gold investors have been outright antagonistic towards bitcoin, seeing it as false competition to real money such as gold and silver.