chalcosine

chalcosine

[′kal·kə‚sēn]
(mineralogy)
References in periodicals archive ?
A channel sampling made accross volcanic sandstones and conglomerates layers mineralized with disseminated chalcosine and bornite (copper sulphides) has given grades up to 2.
Chalcosine mineralisation in this place is found in the cement which binds fragments of marborized algal limestones interbedded with thin horizons of lapilli tuffs and volcanic ashes.