For 10 points, name this type of headgear, one of which Jesus wore that was made out of thorns.
In Kabbalah, the gematria of one of these objects is 620, which links it with the 620 pillars of light. One of these objects represents the Sephirot that stands opposite of the malchut and is called keter. The Karmapa of Buddhism is said to be the holder of a black one of these objects. First Peter describes how pastors will be given one of these things of "glory" for preaching. In later Roman times, the god Sol was adorned with one of these objects of "radiance." In Christianity, after one figure dawns a purple robe and puts on one of these objects, Pontius Pilate stated "Ecce Homo!" while Roman soldiers stated "Hail, King of the Jews!" For 10 points, name this type of headgear, one of which Jesus wore that was made out of thorns.
In Kabbalah, the gematria of one of these objects is 620, which links it with the 620 pillars of light.
crowns [accept more specific answers as well, if anyone says "hat" take that as well.]