Reports on rubies from the Montepuez area of Mozambique that have been heated at high temperature using a “flux‐assisted partial‐fissure‐healed” (FAPFH) and glass‐fissure‐filled (GFF).
Reports on rubies from the Montepuez area of Mozambique that have been heated at high temperature using a “flux‐assisted partial‐fissure‐healed” (FAPFH) and glass‐fissure‐filled (GFF).
