Lexical Definition

‎פָּנִין‎ pânîyn (paw-neen') jewel H:N-M
or פָּנִי pânîy (paw-nee'); from the same as ‎פֵּן‎

ruby.

1) a precious stone
1a) perhaps corals, rubies, jewels

See Greek: λίθος · λίθος · πολυτελής

Usage: 5 forms in 6 verses
Form Translated As     In Verse(s)
פְּנִינִ֑ים jewels Prov.20.15
מִפְּנִינִֽים more than pearls Job.28.18
מִפְּנִינִ֣ים more than jewels Prov.31.10
מִפְּנִינִ֔ים more than corals Lam.4.7
מִפְּנִינִ֑ים more than jewels Prov.3.15Prov.8.11

Brown-Driver-Briggs

‎פְּנִינִים‎ noun [feminine] plural corals (? as branching compare Arabic branch of tree; so Mich Thes and others; > pearls BoHieroz. 601 DiJb after Ra and others); — ‎׳‎‎פ‎ figurative of value Prov 20:15 usually ‎׳‎‎מִפּ‎, camp. Job 28:18; Prov 3:15 (Kt ‎מפניים‎), Prov 8:11; Prov 31:10 (all of value), Lam 4:7 (of red colour); + Ps 45:14* (perhaps; for ‎פְּנִימָה‎, q. v. ).

Brown-Driver-Briggs References

Book Refs
Job 28:18
Psalms 45:14*
Proverbs 3:15 · 8:11 · 20:15 · 31:10
Lamentations 4:7