SamTgJ Ex24:10 :ותחת רגליו כעובד לבנת ספירה‏ : beneath his feet like a construction of sapphire pavement
See the entire entry for spyr#3 n.m. sapphire

SamTgJ Ex24:10 :וכקלום שומיה לאדכי‏ : as pure as heaven itself
See the entire entry for qnōm, qnōmā n.m. person, essential nature