| Margot | Variant of Margaret | Female | |
| Melanie | Dark.
| Female | Greek |
| Mercury | Trade God | Male | Latin |
| Mica | Humble | Unisex | Hebrew |
| Micah | who is like the Lord | Male | Hebrew |
| Onyx | A gemstone with bands of different colours. | Male | |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Peggy | pearl | Female | English |
| Precious | One who is beloved, a darling. | Female | Latin |
| Rita | pearl, precious | Female | English |
| Ruby | Jewel
| Female | Latin |
| Sapphire | Precious Gem | Female | Hebrew |
| Shale | | Male | |
| Silver | White
| Male | English |
| Slate | | Male | |
| So | | Unisex | |
| Steel | Strong metal alloy made of iron and carbon. Hard unflinching character. | Male | Word |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Tansy | immortality, flower name | Female | Greek |
| Topaz | A yellow gemstone | Female | Greek |
| Treasure | highly valued possession | Female | Latin |
| Vivia | | Female | Hebrew |
| Yakira | Precious | Unisex | |