زمرذزُمُرُّذٌ (T, S, Mgh, L, Msb, K) and زُمُرَّذٌ, (Az, TA,) and accord. to some زُمُرُّدٌ, with the unpointed د (TA,) or, accord. to IKt, this is a mistranscription, and As says that it is correctly written with the pointed ذ (Msb,) [The emerald: accord. to some] i. q. زَبَرْجَدٌ; (Sudot;, L, Msb, K;) but Et-Teyfáshee [rightly] says that the زبرجد is a different kind of stone: [see this word:] and Ibn-Sá'id El-Ansáree says that the mine of the زبرجد is said to be near to that of the زمّرذ: (TA:) several authors say that the زمّرذ differs  from the زبرجد in being more green: (MF, TA:) it is an arabicized word [from the Pers\.زُمْرُدْ]: (S, L, Msb, K:) [a coll. gen. n.:] n. un. with ة. (Msb.)