Montepuez Ruby Mining Limitada (MRM) is a Mozambican company operating at the Montepuez ruby deposit located in the northeast of Mozambique in Cabo Delgado province. Covering approximately 33,600 hectares, it is believed to be the most significant recently discovered ruby deposit in the world.
MRM is 75% owned by Gemfields and 25% by Mwiriti, a Mozambican company. MRM aims to emulate the values of Gemfields and operate in a way that contributes positively to the national economy, while taking a leading role in modernizing the coloured gemstone sector and building sustainable livelihoods for the communities around the mine. MRM believes that coloured gemstones should be mined and marketed by championing three key values - legitimacy, transparency and integrity.
Gemfields is a world-leading supplier of responsibly sourced coloured gemstones. In addition to MRM, Gemfields is the operator and 75% owner of the Kagem emerald mine in Zambia (believed to be the world's single largest producing emerald mine), as well as bulk sampling licenses in Ethiopia, amongst others.
Gemfields has developed a proprietary grading system and a pioneering auction and trading platform to provide a consistent supply of coloured gemstones to the global jewellery market.
Sector:Mining, Quarrying, and Oil and Gas Extraction