Diopside Crystal, 7.94ct, Merelani, Tanzania, Untreated Unheated

Diopside Crystal, 23.47ct, Merelani, Tanzania, Untreated Unheated, slightly included 

Diopside Crystal, 28.85ct, Merelani, Tanzania, Untreated Unheated vvs-if

Diopside Crystal, 44.78ct, Merelani, Tanzania, Untreated Unheated,  with some fractures on the outside tip area protruding inwards, see pics I have circled the fracture area. Bulk of main center chunk...

Diopside Crystal, 41.89ct, Merelani, Tanzania, Untreated Unheated 

Mandarin Spessartite Crystal, 23.64ct, Loliondo, Tanzania, Untreated Unheated

10.53ct Mahenge Red Spinel Crystal. Tanzania, Untreated, Unheated. 14.5 x 8.1 x 11.7 mm

Tourmaline Crystal, 5.61ct, Laletema, Untreated Unheated, heavily included but great as a specimen, incredible etching triangulation 

Tsavorite Garnet Crystal, 37.66ct, Merelani, Tanzania, Untreated Unheated, set as is in jewellery as a centrepiece 

Tourmaline Crystal, 13.72ct, Laletema, Tanzania, Untreated Unheated, spotty if you want to facet

Tsavorite Garnet on Quartz and Graphite, 65.79ct, naturally free standing, Merelani, Tanzania, Unheated Untreated

Tsavorite Garnet on Quartz and Graphite, Incredibly rare, 308.20gm / 1541ct, naturally free standing, Merelani, Tanzania, Unheated Untreated, very very rare piece, 87.2mm x 76mm x 53.5