Heddle, M. Forster. 1901. Orthoclase crystal diagrams, plate 52 from volume 2 of The Mineralogy of Scotland
Heddle, M. Forster. 1901. Orthoclase crystal diagrams, plate 52 from volume 2 of The Mineralogy of Scotland. Uncoloured lithograph, 25 x 16cm in blue card mount. 10 diagrams. Clean and in very good condition.