Irregular free pearls are known as:

Correct option is C

Correct Answer: (c) Baroque
Explanation:
→ Baroque pearls are irregularly shaped, non-spherical pearls (free pearls) valued for their unique shapes and aesthetic appeal.
→ They contrast with round cultured pearls (e.g., Akoya) and blister pearls (adhering to shell).
Information Booster:
→ Baroque pearls are popular in contemporary jewelry for distinctive designs.
Additional Information (Other Options):
(a) Akoya: spherical cultured saltwater pearls.
(b) Mabe: hemispherical blister type.
(d) Blister: formed against shell, not free-lying.