Precious Stones, Vol. 1 and some strange characters too

and some strange characters too — Wheelers

was an instant bestseller and remains the most authoritative account—even though it reads like a novel

superposition of planes

understood to be a set of objects satisfying certain definite axioms

Precious Stones, Vol. 1 and some strange characters tooThis classic study begins with a general analysis of precious stones followed by descriptions of their cutting and mounting and the ways in which their value and authenticity are assessed. The remainder of this volume focuses on the diamond: its characteristics; its natural occurrences and artificial production; and its use in jewelry. 52 figures.