Mozambican rubies are to be auctioned in Singapore in June by the British company Gemfields. According to a statement by Gemfields, the stones to be sold are predominantly of mixed quality rough ruby from the Montepuez deposit in Mozambique. The stones were mined in the northern province of Cabo Delgado by Montepuez Ruby Mining Limited, … Continue reading Mozambican rubies to be auctioned in Singapore in June