swedenborgite

swedenborgite

[′swēd·ən‚bȯr‚gīt]
(mineralogy)
NaBe4SbO7 A colorless to wine-yellow mineral composed of sodium beryllium antimony oxide.
References in periodicals archive ?
Examples include swedenborgite (which contains the scarce combination of beryllium and antimony) and any mineral that includes tellurium, which on average is found in Earth's crust at concentrations of 5 parts per billion.