Silver - Arsenic - Copper

Jörg Beuers

Introduction

Detailed measurements of the ternary system have been performed by Makovicky et al. [75Mak, 79Mak] using isothermal heat treatment, microscopy, X-ray and microprobe investigations. Three isothermal sections (T = 500, 400, 350°C) have been determined. First results [75Mak] were partially corrected and completed in a later publication [79Mak]. A ternary phase Ag₂Cu₅As₃ was found by Hak et al. [70Hak]. A mineral (AgCu)₄As₃ reported by Johan and Hak [59Joh, 61Joh] was not observed to be a stable phase for T > 130°C [79Mak] (Table 1...