[图书][B] Mineralogy and Geochemistry of Gems

P Voudouris, S Karampelas, V Melfos, I Graham - 2020 - books.google.com
Gems have been used in the manufacture of jewellery and as ornaments since antiquity.
Considering gems, recent statistics have shown that about 15 billion Euros are annually at …

Mineralogy and Geochemistry of Gems

P Voudouris, S Karampelas, V Melfos, I Graham - 2020 - mdpi.com
Gems have been used in the manufacture of jewellery and as ornaments since antiquity.
Considering gems, recent statistics have shown that about 15 billion Euros are annually at …

Mineralogy and Geochemistry of Gems

P Voudouris, S Karampelas, V Melfos, I Graham - 2020 - mdpi.com
Gems have been used in the manufacture of jewellery and as ornaments since antiquity.
Considering gems, recent statistics have shown that about 15 billion Euros are annually at …