Holmium(III) oxide, also known as holmium oxide, is made by reacting holmium with oxygen. Holmium oxide is well known for its use in powerful paramagnetic substances with dysprosium(III) oxide (Dy 2 O 3). It is similar to erbium oxide. Special methods are necessary to separate these components.
Other Aruba Snorkeling Locations. While we believe the sites described above are the best Aruba snorkeling beaches and spots, here are a few others that might be good for you. De Palm Island/Slope-This is a barrier island destination fun park south of town, but north of Mangel Halto.
Snorkeling by Glass Bottom Boat. 1  The coral reef is one of the biggest attractions in Cozumel Island and thanks to a glass bottom boat and the crystal waters of the Mexican Caribbean you can admire them. 2  Healthy and able to swim and float, then you need nothing else to start.