'Pure' in the Bible

The portico, which was across the front extending across the width of the temple, was 30 feet wide; its height was 30 feet; he overlaid its inner surface with pure gold.

the lampstands and their lamps of pure gold to burn in front of the inner sanctuary according to specifications;

The king also made a large ivory throne and overlaid it with pure gold.

All of King Solomon’s drinking cups were gold, and all the utensils of the House of the Forest of Lebanon were pure gold. There was no silver, since it was considered as nothing in Solomon’s time,