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Gems of East Africa
Mine direct gemstones
1.51ct Spinel, Tunduru, Tanzania. Untreated Unheated
2.90ct Mahenge Spinel, Tanzania, Untreated Unheated. Needles.
4.84ct Colour Change Sapphire, Umba, Tanzania. Untreated Unheated. See photos for colour change
5.22ct Umba Sapphire, Tanzania, Untreated Unheated.
0.80ct Winza Ruby, Tanzania, Unheated, Untreated. Top grade.
431gm / 2155ct Tourmaline from Mwajanga in Tanzania. Untreated Unheated. 19.00cm x 4.19cm x 3.21cm
176.97ct/35.39gm Tanzanian Sphene Crystal, Untreated Unheated. 44.0 x 27.0 x 23.1mm Very High End, Ultra Rare
80.67ct/16.13gm Tanzanian Sphene Crystal, Untreated Unheated. 38.4 x 15.5 x 19.6mm Very High End, Ultra Rare
207.64ct/41.52gm Tanzanian Sphene Crystal, Untreated Unheated. 53.9 x 28.2 x 19.1mm Very High End, Ultra Rare
241.59ct/43.31gm Tanzanian Sphene Crystal, Untreated Unheated. Very High End, Ultra Rare
0.29ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
0.30ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
0.35ct Cats-Eye Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
1.32ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated.
0.95ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated.
0.90ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated.
1.46ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated.
0.48ct Cats-Eye Alexandrite, Lake Manyara, Tanzania. Untreated Unheated. Yep, that’s a rainbow in it
2.95ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
0.60ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
1.34ct Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
0.79ct Cats-Eye Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
1.05ct Cats-Eye Alexandrite, Lake Manyara, Tanzania. Untreated Unheated
81.70gm / 408.50ct Tsavorite Crystal With Tanzanite And Pyrite on Matrix, Merelani, Tanzania. 58 x 42 x 31mm, very rare crystallization
39.50gm / 197.50ct Tsavorite Crystal With Tanzanite And Pyrite on Matrix, Merelani, Tanzania. 41 x 27 x 26mm, very rare crystallization
84.30gm / 421.50ct Tsavorite Crystal With Tanzanite And Pyrite on Matrix, Merelani, Tanzania. 47 x 36 x 39mm Gem portions and sharp point on crystals
204.70gm / 1023.50ct Tsavorite Crystal With Tanzanite And Pyrite on Matrix, Merelani, Tanzania. 85 x 46 x 42mm. Green side is glassy gemmy normally cobbed for facet rough
215.50gm / 1077.50ct Tsavorite Crystal with Tanzanite and Pyrite on Matrix, Merelani, Tanzania. 58 x 58 x 41mm- with gem portions see pics, this piece would normally have been cobbed to remove clean pcs. Excellent for gem collection or even display piece
33.27ct Tsavorite Garnet on matrix with pyrite, Merelani, Tanzania
47.43ct Tsavorite Crystal on Matrix. Merelani. Tanzania
31.22ct Tsavorite Crystal on Matrix. Merelani. Tanzania
44.16ct Tanzanian Spinel Lot. Untreated Unheated. 1.85ct - 3.88ct Eye clean and better with slight silk
43.18ct Tanzanian Spinel Lot. Untreated Unheated. 1.83ct - 3.82ct Eye clean and better with slight silk
7.02ct Incredibly Rare Peach Malaya Garnet, Tanzania, Special colour from a 20 year old deposit in Tanzania. Untreated Unheated. 14.1 x 9.1 x 7.2mm. Microscopic needles, cannot be seen by naked eye
0.675ct Winza Ruby, Tanzania. Untreated Unheated. 5.1 x 5.1 x 3.5mm
54.70ct Umba Garnet, Tanzania, dividing crack rest clean with only a couple of black spots
36.00gm Citrine lot, Zambia. Untreated Unheated. Rare as Not heated from Amethyst, natural colour. 3.2g - 4gm
217.35ct/43.47gm Unheated Citrine Lot, 3.43gm (17.15ct) - 7.90gm (39.50ct), Zambia, VVS-IF, all Virtually Flawless, NOT HEATED FROM AMETHYST, NATURAL COLOR, VERY RARE.
205.50ct/41.10gm Unheated Citrine Lot, 2.65gm (13.25ct) - 7.16gm (35.80ct), Zambia, VVS-IF, all Virtually Flawless, NOT HEATED FROM AMETHYST, NATURAL COLOR, VERY RARE.
411.00ct/82.20gm Unheated Citrine Lot, 7.76gm (38.80ct) - 30.47gm (152.35ct), Zambia, VVS-IF, all Virtually Flawless, NOT HEATED FROM AMETHYST, NATURAL COLOR, VERY RARE.
5.85ct Winza Sapphire Cabochon Cut, Tanzania, Unheated Untreated
2.91ct Merelani Mint Garnet, Tanzania, Untreated Unheated, 9.9 x 7.3 x 5.3mm
3.21ct Sapphire, Colour Change, Umba Valley, Tanzania, Untreated Unheated. Precision cut by us in London. See other pics for colour change effect of this sapphire
5.89ct Red Sapphire, Umba Valley, Tanzania. Untreated Unheated
3.20ct Malaya Garnet, Tanzania, Special colour from a 20 year old deposit in Tanzania. Untreated Unheated. 8.2 x 5.9mm
2.48ct Winza Sapphire, Tanzania, Untreated Unheated
53.82ct Emerald Lot, Tanzania. No oil, Untreated Unheated. Good for setting in jewellery as is or to add to your specimen collection
815gm / 4075ct Tourmaline Crystal from Mwajanga in Tanzania. Untreated Unheated. 9.6cm x 7.3cm x 10cm
8.035ct Vivid Intense Yellow Golden Danburite, Tanzania, Untreated Unheated. Slightly included. Super rare. High brilliance and vivid. Precision Cut. 12.8 x 9 x 8.8mm
2.76ct Sapphire, Umba, Tanzania, Untreated Unheated. Precision Portrait Cut.
Massive Black Spinel Crystal from Mahenge in Tanzania. 389.00gm / 1945ct. Untreated Unheated. 83.60 x 67.50 x 41.40mm, very rare and comes in only once in a while. We can’t even explain how rare this size is. An excellent addition to a gem collection
30pcs - 241.95ct Mahenge Spinel Crystal Lot, Tanzania. Untreated Unheated
176.22ct Winza Ruby and Sapphire Crystals Lot. Tanzania. Untreated Unheated. 1.44ct to 7.89ct. Many facetable
157.66ct Mahenge Spinel Crystal, Tanzania. Untreated Unheated
2614gm Tourmaline Matrix with Tourmaline crystals on it, from Mwajanga Tanzania. Untreated Unheated
7.70kg Quartz Crystal, Tanzania, massive Mondo Quartz Crystal.
5.28kg Quartz Crystal, Tanzania, massive Mondo Quartz Crystal.
0.84ct Ruby Cabochon, Longido Mines, Tanzania. Untreated Unheated
0.80ct Ruby Cabochon, Longido Mines, Tanzania. Untreated Unheated
0.82ct Vivid Pink Tanzanite, Untreated Untreated, Tanzania, very rare colour. Slight colour shift to intense pink. 7 x 4.9 x 3.5mm very rare