The handbook provides essential data for practicing jewelers, students, and retail professionals:
The primary reference matching your request is the by Bruce J. Knuth (often cited in Russian as Брюс Дж. Кнут, "Справочник ювелира" ). Overview of the Handbook spravochnik dlja juvelira
Includes an expanded list of gemstones with their physical characteristics, diagrams for over 40 cutting styles , and official diamond grading standards. diagrams for over 40 cutting styles
Detailed information on the composition of precious metal alloys and official standards for gold and silver. chemical preparation formulas
While Knuth’s work is the most prominent "Sprovochnik," other valuable guides include:
Contains weight conversion charts, chemical preparation formulas, and comprehensive ring size gauges.
An extensive dictionary of technical terms to aid communication between masters, students, and customers. Significance for Professionals