RUDOLPH METZ - Minerals and Precious Stones

London England, Collins, 1973. 1st British Edition, Binding: Cloth, Very Good/Fair. 12mo - over 6¾" - 7¾" tall 0002121107 Hardback This is the combinations of a great variety of crystal forms, their properties of symmetry, their colours and the peculiar effects of reflected and transmitted light which make minerals beautiful. The vivid descriptions of the minerals and precious stones explain and supplement the photographs. The text also explains what minerals are, how they are made, how they grow and where they are found. And for the more advanced, the most important minerals found on this planet giving their chemical formula, crystal system, density, hardness, colour and occurence. Translated from the German by G.W. Wells. Illustrated with 150 colour photographs by A.E. Frank Illustrated. Some shelf wear to D/J.