| Kieli | Käännökset |
|---|---|
| ranska | gemmologie |
| ruotsi | gemmologi |
(mineralogy) the branch of mineralogy that studies mineral gems and petrified gemstones
Examining a pink sapphire under a gemmological microscope
(mineralogy) the branch of mineralogy that studies mineral gems and petrified gemstones
Gemmological travel lab KA52KRS
(mineralogy) the branch of mineralogy that studies mineral gems and petrified gemstones
A selection of ornamental, non-precious stones made by tumbling rough pebbles with abrasive grit in a rotating drum. The biggest pebble here is 40 millimetres (1.6 in) long.