Black gemstone; claw or fingernail
Aunyx is a modern creative spelling of Onyx, referring to the black silicate mineral chalcedony. The name ultimately derives from the Greek word for 'claw' or 'fingernail', so named because the mineral's color can resemble that of a fingernail.
Less common today
Aunyx isn't in the latest US Top 1000. It last peaked at #7,172 in 2025.
US births per 5-year period, 1990–present (SSA data).
