Hindi and Italian equivalent names :
| English name | Hindi name | Italian name |
| Emerald | Panna | Esmeraldo |
| Aquamarine | Berunj | Acquamarina |
| Chalcedony Agate | Haqiq | Calcedonio agata |
| Blood stone | Pitonia | Diaspro Banguigno |
| Chrysoberyl cat's eye | Lahasania | Criesoberillo/occhio di gatto |
| Ruby | manak | rubino |
| Blue sapphire | Neelam/Bhani | zaffiro |
| white/yellow sapphire | Pukhraj/pushkraj | Corindone/Incolore giallo |
| Diamond | Heera | Diamante |
| Sunstone Feldspar | Sunsitara | Feldspato Pietra Del esole |
| Hessonite Garnet | Gomed | Granato Essoniter |
| Almandine | Tamra | Almandino |
| Jadite | Yashab | Giadeite |
| Iolite | kakaneeli | Iolite |
| Rock Crystal | Billore | Cristallo di rocca |
| Citrine | sunela | Citrino |
| Amethyst | Katela | Ametista |
| Rose quartz | gulabi billore | Quarzo Rosa |
| Red spinel | Naram manek | Spinello rosa |
| Tourmaline | Turmali | Tormalina |
| Topaz | Topas | Topazio |
| Pearl | Moti | Perla |
| Coral | Moonga | Corallo |
| Amber | Kerwa | Ambra |
| Aventurine Quartz | Margaz | Quarzo Avventurine |
Itaque earum rerum hic tenetur
These are Gemstone testing facilities. Normally they also conduct course in Gemology.
Classification of Gemstones
Gemstones occurs in Nature. Here is a classification of Gemstones.