(IDEX Online) – Gemstone miner Gemfields has discovered a 40.23-carat ruby Mozambique that the firm says it believes to be one of the most important rubies unearthed in recent times.   “The gemstone will set a new benchmark for the quality of African rubies and endorses the Montepuez deposit in Mozambique as the world’s most significant deposit … Continue reading Gemfields Uncovers 40.23-Ct Ruby at Mozambique Mine (IDEX Online)