Diamond. View of a diamond (colourless, lower right) in kimberlite (or peridotite). Kimberlite is the main parent rock for diamonds in the world. Kimberlite is an igneous (volcanic origin) rock which occurs in abundance in the Kimberly mines, South Africa. Diamonds form under intense pressure and heat. They are an exceptionally hard form of carbon, which occur as octahedral, rounded structures. Because of their rarity and beauty diamonds are used as gemstones. As a result of their hardness they are also used in industry as high-quality abrasives for cutting and drilling equipment.
Kimberlite Diamond in Kimberlitic Rock.

Welcome to YDMC

The Youssef Diamond Mining Company, YDMC, is an American-owned Liberian company engaged in diamond mining, exploration and research for over 30 year in Liberia and around the African continent. Currently we are focused on exploration and mining i the YDMC Tenement area in northwestern Liberia.

Trusted Diamond Professionals

The research and analysis expertise of the diamond exploration and mining processes at YDMC produces guaranteed results in diamond mining. With over 30 years of experience focused on Kimberlite Pipe and Dike detection YDMC is currently the leader in diamond exploration in Liberia. Investor Overview Contact YDMC

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