Mahenge Spinel Lot, 74.24ct, Mahenge, Tanzania, Untreated Unheated, many of them have slight inclusions, some are flat, and almost all have some silk in varying degrees, 8.87ct-3.43ct

Mahenge Spinel Lot, 14.71ct, Mahenge, Tanzania, Untreated Unheated, vs-vvs, 2.82ct-5.12ct

Mahenge Spinel Lot, 13.26ct, Mahenge, Tanzania, Untreated Unheated, 2 larger ones vs, smallest is included, flat stones but great for tablet/portrait cut or setting in jewellery as is, 2.91ct-6.10ct

Mahenge Spinel Lot, 55.02ct, Mahenge, Tanzania, Untreated Unheated, cab grade rough, 7.14ct-21.16ct

Mahenge Spinel Lot, 6.48ct, Mahenge, Tanzania, Untreated Unheated, very small but vs, set in jewellery as is, 0.62ct-1.43ct

Mahenge Spinel Lot, 27.96ct, Mahenge, Tanzania, Untreated Unheated, all have inclusions,cut with inclusions or set in jewellery as is, 0.83ct-4.92ct 

Mahenge Spinel Lot, 12.40ct, Mahenge, Tanzania, Untreated Unheated, transparent but too flat to facet, set in jewellery as is, 0.61ct-2.30ct

Sapphire / Ruby Crystal Lot, 100.19ct, Different areas in Tanzania, Untreated Unheated, small but crystalline, excellent for setting as is directly into jewellery, turn into cabs or create a polished...

Sapphire / Ruby Crystal Lot, 40.22ct, Different areas in Tanzania, Untreated Unheated, small but crystalline, excellent for setting as is directly into jewellery, 3.35ct average

Sapphire / Ruby Crystal Lot, 22.98ct, Different areas in Tanzania, Untreated Unheated, small but crystalline, excellent for setting as is directly into jewellery, 2.87ct average

Sapphire / Ruby Crystal Lot, tiny, 25.42ct, Different areas in Tanzania, Untreated Unheated, small but crystalline, excellent for setting as is directly into jewellery, 1.41ct average

Sapphire / Ruby Crystal Lot, tiny, 13.09ct, Different areas in Tanzania, Untreated Unheated, small but crystalline, excellent for setting as is directly into jewellery, 1.47ct average

Sapphire / Ruby Crystal Lot, tiny, 10.29ct, Different areas in Tanzania, Untreated Unheated, small but crystalline, excellent for setting as is directly into jewellery, 1.47ct average

Sapphire / Ruby Crystal Lot, tiny, 6.11ct, Different areas in Tanzania, Untreated Unheated, small but crystalline, excellent for setting as is directly into jewellery, 1.22ct average 

Zircon Lot, 86.63ct, Tunduru River, Tanzania, Untreated Unheated, 5.33ct-11.22ct, vvs to vvs-if

Zircon Lot, 119.21ct, Tunduru River, Tanzania, Untreated Unheated, included stones