Caelum

Caelum is a Rare Ore  with a rarity of 1 in 4,000,000. It has a mining strength of 290 and it gives you 4,000,000 XP upon mining it.

Caelum, the god of gemstones, is said to bring eternal happiness to whoever lays hands upon this beautiful gemstone.
 * Caelum is based of the god of the sky in Roman mythology, Caelus (or Caelum).
 * The word Caelus derives from Latin meaning 'sky' or 'heaven'.
 * Caelum's decal is called 'rare sky', implying it was based off the god.