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.
The Snorkel The snorkel lets you breathe with your face in the water. A snorkel should fit comfortably in your mouth with the tip at the crown of your head. The vast majority of snorkels will do this easily with minor adjustments, so your primary selection considerations are mouthpiece comfort and features.