Vaihtoehtoiset kirjoitusmuodot
Haettu sana löytyi näillä lähdekielillä:
The art and science of gems.
Examining a pink sapphire under a gemmological microscope
The art and science of gems.
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.
