Diamopolis

Maso Solid Minerals Ventures mine and supply all colours of Tourmalines, aquamarine, Sapphire, Emerald, Topaz, Zircon, Garnet.

2 Aduroshakin Street, Apata. Off National Orthopadic Hospital, Igbobi, Shomolu, Lagos State, Nigeria

+234 802 882 1311

Olomowewe Industries specialize in the mining, exploration and trading of gemstones most especially tourmaline.

5 Elewi Road, Oyo East, Oyo State, Nigeria

+234 805 855 3767

Bature Gems engage in mining and trading of rough topaz, tourmaline, aquamarine, Garnet, Emerald, Sapphire, Zircon and iolite.

7B Tafawa Balewa Street, Jos, Plateau State, Nigeria

+234 803 593 9826

Brumeto Stones are dealers in precious gems ranging from sapphires, tourmaline, topaz, zircon.

1 Nyango Gyel Street, Bukuru lowcost, Bukuru, Jos East, Plateau State, Nigeria

+234 703 490 3454

A G Nissama Minerals engage in mining, marketing and exportation of Precious Metals and Gemstones such as: Au Gold Dust, Rough Diamonds, Aquamarine, Tourmaline

5 Showonuola Street, Ogba, Agege, Lagos State, Nigeria

+234 817 756 2351