نProfessor doctor Darius man of great masters of Iran's Jewelry
Given the extensive knowledge and experience of Gemology and lasting experience in the field
Well managed extraction methods,
The cutting and preparation of scientific methods to diagnose kidney stones and crystal jewelry
Jewelry with descriptions and color photos of all aspects of the scientific method offers
Very usable all stakeholders and researchers interested in this field.
This book seems to be reading for all those working in this field is an essential step that should not be neglected
View excerpts from the book in a PDF file