شريك لنون منذ
2+ سنينالناشر | Robert Hale & Company |
رقم الكتاب المعياري الدولي 13 | 9780719803314 |
رقم الكتاب المعياري الدولي 10 | 0719803314 |
اللغة | الإنجليزية |
عن المؤلف | Michael O'Donoghue is a director of GemA, the Gemmological Association and Gem Testing Laboratory of Great Britain and lecturer in charge of gemmology at London Metropolitan University. He has written around twenty books on gemstones, minerals and manmade crystals and has visited countries round the world in their pursuit. He is a member of the British Association for Crystal Growth. |
تاريخ النشر | 30-Nov-07 |
عدد الصفحات | 296 |
Artificial Gemstones paperback english - 30-Nov-07