Does this discuss regular gold?
Rashi: It is pure gold, which shines like a pearl.
What is "Zechuchis"?
Ibn Ezra #1: It is a clear gem (crystal).
Ibn Ezra #2: It is the known matter 1 .
It seems that he refers to glass. If one cannot evaluate it with gold, is there any Chidush about glass?! (PF)
Are gold Kelim a proper exchange for Chochmah?!
Rashi, Ibn Ezra: No. "Lo" applies also to "u'Smurasah".
Chagigah 15a: The verse discusses Divrei Torah. It is as hard to acquire them as gold Kelim, and as easy to lose them as glass or crystal Kelim.
Malbim: The dearness of gold Kelim is their Melachah (craftsmanship) - the Melachah of Chochmah is elevated above them.
