- rime earth resources int
- unstone,moonstone,feldspar golden shine,quarts,aventurine.
- Address:ykes close 2096,mbezi beach
- Essy Investments Co.
- gemstones,amerthyst,ruby,red spinal,quarts.
- Address:Dar es salaamP.o box 5811
- Sun Rays International Ltd
- gypsum, quarts.
- Address:bibi titi rd, dar es salaam, Tanzania
- Hassan Gemstone&jewerre's Ltd
- natural rough diamond, tanzanite, sapphire, ruby, amethyst, sun-stone, white feldspar, black feldspar, carrot feldspar, tinted feldspar, grey feldspar, amazonite, red garnet, rhodolite, florite, read ore.quarts.
- Address:sikukuu, dar es salaam, ilala, Tanzania
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