Hydroxyapophyllite, 1 | |
Quartz | |
with hematite phantom, chalcopyrite and hydroxyapophyllite, 2 |
1 Belfast Granite Quarry, Eastern Transvaal (1,5 cm crystal), specimen: Clive Queit, photo: Jeffrey Scovil in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 85.
2 Belfast Granite Quarry (3,2 cm), specimen: Bruce Cairncross, photo: David Minster in: Cairncross, B./ Dixon, R.: Minerals of South Africa, Singapore 1995, p. 85.