Tanzania Tourmaline Suppliers & Manufacturers

Yoenimining is the registered company in Tanzania and known as a reputed gemstone dealer and tourmaline suppliers. Along with other precious gemstones, we deal in Emaralds, Spinels and Tourmalines in East Africa. With our massive expertise in the said industry, we have presence in strategically targeted and potential mineralized areas in Tanzania.

What We Offer?

Since over a decade, we have been in the business of selling precious gemstones to customers and buyer across the world. We are committed to provide quality gemstones specially Tourmaline to jewelers, jewelry designers and gemstone collectors in several countries. We are proud of the long standing relationships we have built with our esteemed clients over the years. Our gemstones are now available at many of the world’s finest jewelry stores in global locations.

Why We Are The Best?

We have achieved several milestones with the largest selection of gemstones and the best customer service. Being the leading exporters of Tourmaline from Tanzania, we have the most comprehensive library of gemstone information for the buyers. We have an expert team of international gemstone experts devoted to provide you the finest gems at the most affordable prices.

Yoenimining deals in the precious gemstones range available for the users. These gemstones are available in specific order, size, color or shape. The products we offer are absolutely authentic, genuine and affordable. As renowned tourmaline suppliers in Tanzania, we offer ground breaking price to ensure maximum reach of our gemstones to the buyers.

Style With Quality:

Yoenimining offers an array of products specifically chosen as per clients’ requirements. We have been in the business of gemstones for so long, thus we know the actual needs of clients. With the help of our professionals and modern tools & equipments, we ensure authentic, genuine, and quality products to the clients in proper packaging. Besides, we offer quick delivery of the gemstone products within the stipulated time frame.

So, what are you waiting for? Browse our website now and get the best deals now.

Technical Information

Chemical Composition and Name Complex Aluminium Borosilicate
Hardness 7.0 to 7.5
Refractive Index 1.616 – 1.634 to 1.630 – 1.652
Bi-refringence 0.014 to 0.021
Other Optical Properties Uniaxial
Optic Sign Negative
Specific Gravity 3.02 – 3.26
Crystalline System Trigonal