Ruby Crystal, 41.67ct, Tanzania, Untreated Unheated

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 Crystals on Matrix Lot, 363.90gm / 1819.50ct, Tanzania, Untreated Unheated, beautiful lot of crystal Sapphire/Ruby specimens on matrix, nice for a collection display 

Aquamarine Lot, 32.50gm / 162.00ct, Tanzania, Untreated Unheated, a mixed grade parcel from flawless to cab grade rough

Lindi Garnet Lot, 96.90ct, Lindi, Tanzania, Untreated Unheated, 2.00ct-5.19ct, all vs-vvs, yes the grey one changes colour

Mandarin Garnet, 11.04ct, Loliondo, Tanzania, Untreated Unheated, flat stone, inclusions inside but great to set in jewellery as is

Chrome Tourmaline Crystal on matrix, 206gm, Mwajanga, Tanzania, Untreated Unheated

Tanzanite Crystals and chunks, broken crystals and unusual shapes, 261.00gm / 1305.00ct, Merelani, Tanzania, Some Heated, some Untreated Unheated, works out to under US$5per gm

Tanzanite Crystal Lot, 38.30gm / 191.50ct, Merelani, Tanzania, Gently Heated, works out to under US$15 per gm, 9.50gm average

Spinel Lot, 15.36ct, Tanzania, Untreated Unheated, Silky, with slight inclusions, and single large cracks going in almost half way in all, can be cut but with almost half the stone...

111.96ct Ruby Lot, Winza, Tanzania, Untreated Unheated, good for setting as is

32.20ct Emerald Crystals Lot, No Oil, Untreated, Unheated, Tanzania, good for setting as is

Diopside Crystal, 3.86ct Tanzania, Untreated Unheated

Merelani Mint Garnet Crystal Lot, 26.52ct, Tanzania, Untreated Unheated, tiny and beautiful, set them like this with their natural unpolished crystalline faces into jewellery 

Aquamarine Crystal Specimen Lot, 188.10gm, Songea, Tanzania, Untreated Unheated, great for setting as pendants with a gold or silver cap 

17.06ct Hessonite Garnet Lot, Untreated Unheated, native cut