Hepatic Pyrites[1], and small fragments of Haematite, rolled.
Agate, various, not nearly so abundant as the Ilmenite and some other minerals; subangular and rounded, mostly very small and very much water-worn; some of the little pebbles highly glazed. Also some few fresh fragments, including small waste flakes and a little implement used by the Bushmen in making perforated disks or beads of Ostrich egg-shell.
A group of small Quartz crystals (some peculiar), including Amethyst, from a vein or a geode.
A small bit of Ostrich egg-shell.
No. 16. From Jager's Fontein. Page 11.
A piece of Ostrich egg-shell.
No. 17. On the Orange River, thirty-six miles below Hopetown. [Probably the "Asbestos Mountains" of Mr. G. A. Bain's Map, Geol. Trans, ser. 2, vol. vii. pl. xxi.]
Crocidolite, partly decomposed; deep amber in colour, passing here and there into blue.
No. 17*. From the same place.
Seam of altered Crocidolite (deep yellow), with parallel layers of siliceous Ironstone (dull yellowish-brown Jasper), and of Magnetite, attached.
No. 18. From the same place.
A piece of a dull brownish-grey chalcedonic seam associated with the altered Crocidolite.
Nos. 19, 20, 21. From Pretoria, Magaliesberg. Page 14.
19. Fragment of rock composed of coarse Mica and Quartz. 20. Galena. 21. Galena and Quartz, with a very little Carbonate of Copper.
No. 22. From three sources of the Umgimvoobo. Page 14.
Rock-crystal, fresh and subangular.
Dark-coloured and other Agate, abundant; subangular and rolled.
Lydite, subangular.
Hæmatite, subangular.
Green Glass, subangular (water-worn),
Nos. 23 & 24. From near the source of the Zeitza[2]. See page 14.
Brown earthy Amygdaloid with Henlandite and Greenearth.
Grey Trap-rock with Agate; freshly broken.
Subangular Agate.
Five pieces of broken unworn Agate.
Rock-crystal (from an Agate?).
No. 25. From near the sources of the T'somo. Page 14.
Pebble of red and brown riband Jasper, with ancient fracture (glazed).
- ↑ Bearing evidence of the presence of metamorphic rocks.
- ↑ In a letter dated Oct. 10, 1871, Mr. Stow informs me that he has obtained more specimens from this river, like those of the Vaal gravel, and that he is informed of some small diamonds having been found of the Zeitza, S.E. of the Draakensberg.
