vug, 19
|
Amethyst geode, 1 |
|
|
Amethyst, 2 |
|
Chrysocolla, 3 |
|
Crocidolite |
| "cones", 4 | |
|
Crocidolite, 5 |
|
Diamond |
| the largest uncut octahedral, 6 | |
|
Diamond, 7 |
|
Diamond, 8 |
|
Diaspore, 9 |
|
Erythrite |
| puffballs, 10 | |
|
Fluorapophyllite, 11 |
|
Fluorite, 12 |
|
Gold, 13 |
|
Meteorite (Fe/Ni), 14 |
|
Millerite |
| (brass colour) with gasperite and annabergite (green) in marble, 15 | |
|
Pyromorphite, 16 |
|
Pyromorphite |
| on limonite, 17 | |
|
"Polyhedral" quartz, 18 |
|
Stilbite (pink) |
| in quartz-lined vug, 19 |
|
|
Tantalite, 20 |
|
Tiger's Eye |
| [close up], 21 |
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1 Jozini area (12 cm), specimen: Rob Smith, photo: Bruce Cairncross in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 158.
2 Magaliesberg, north of Johannesburg (5,2 cm), specimen and photo: Bruce Cairncross in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 236.
3 Pilgrims Rest/ Transvaal (3*enlarged): Hochleitner, R. in: Fotoatlas der Mineralien und Gesteine, 2. ed., München 1980, p. 107.
4 Pomfret Mine, Kuruman district (5 cm), specimen: Johannesburg Geological Museum, photo: Bruce Cairncross in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 238.
5 Parfuri/ Transvaal (1,5*reducuced): Hochleitner, R. in: Fotoatlas der Mineralien und Gesteine, 2. ed., München 1980, p. 75.
6 Dutoitspan Mine (616 carats), specimen and photo: De Beers Consolidated Mines in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 159.
7 Kimberley, South Africa (8*enlarged): Hochleitner, R. in: Fotoatlas der Mineralien und Gesteine, 2. ed., München 1980, p. 37.
8 Kimberley Mine, photo and specimen: Ecole des Mines de Paris.
9 Lohatlha Mine, Postmansburg manganese field (7,4 cm), specimen and photo: Bruce Cairncross in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 202.
10 Kruisriver Mine, Eastern Transvaal (3 mm balls), specimen: Graham Reeks, photo: Roger Dixon in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 205.
11 Penge Mine (24 cm), specimen: Karl Messner, photo: Mark Hudson in: Cairncross, B./ Dixon, R.: Minerals of South Africa,
Singapore 1995, p. 78.
12 Hlabisa, northern KwaZulu-Natal (7,2 cm), specimen (self- collected) and photo: Bruce Cairncross in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 149.
13 Transvaal, photo and specimen: Ecole des Mine de Paris.
14 Namaqualand, South Africa (no enlargement): Hochleitner, R. in: Fotoatlas der Mineralien und Gesteine, 2. ed., München 1980, p. 77.
15 Pafuri, Northern Transvaal (7,5 cm), specimen: Museum of the Geological Survey, photo: Martin Köhler: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 224.
16 Kafferskraal (sic!), North-West Province (3 cm), self-collected near to the site of an old mine, specimen: Karl Messner, photo: Bruce Cairncross in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 73.
17 Kafferskraal (sic!), North-West Province (3 mm crystal), specimen and photo: Bruce Cairncross in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 234.
18 Seven Oaks, Umvoti Vally, Greytown district (5 cm), specimen: Paul Botha, photo: Mark Hudson in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 152.
19 Sentinel, Drakensberg (stilbite is 3,6 cm),
self- collected, photo: Mark Hudson in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 157 .
20 Grietjie Mine, Eastern Transvaal (9,4 cm), specimen: Karl Messner, photo: Mark Hudson in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 247.
21 Northern Cape, specimen: Ecole des Mine de Paris, photo: Monique CLAYE.