Algum in the Bible

1 Kings 10:11-12 And the navy also of Hiram, that brought gold from Ophir, brought in from Ophir great plenty of almug trees, and precious stones. 12 And the king made of the almug trees pillars for the house of the LORD, and for the king's house, harps also and psalteries for singers: there came no such almug trees, nor were seen unto this day.
2 Chronicles 2:8 Send me also cedar trees, fir trees, and algum trees, out of Lebanon: for I know that thy servants can skill to cut timber in Lebanon; and, behold, my servants shall be with thy servants,
2 Chronicles 9:10-11 And the servants also of Huram, and the servants of Solomon, which brought gold from Ophir, brought algum trees and precious stones. 11 And the king made of the algum trees terraces to the house of the LORD, and to the king's palace, and harps and psalteries for singers: and there were none such seen before in the land of Judah.