A very large and unusual sphere or orb carved from a rock rich in ruby, zoisite, and kyanite; with a display stand. 25.6 kg total, 24cm (9 1/2"). Property of an Indian gentleman living in London; previously from an important Indian collection of high quality mineral examples; accompanied by a scholarly note TL 5307 by Dr Ron Bonewitz. Dr Bonewitz notes: 'An unusually large and sound piece beautifully cut and finished. This mixture is found only in Tanzania.' Extremely fine condition. Very unusual and beautiful display piece.