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.
2. Excellent Snorkeling Depths. The vast majority of the beach snorkeling on Curacao is in ideal depths for snorkelers. Very often you will be snorkeling alongside limestone and fossilized coral cliffs, exploring the sea life that grows on the sides. The sea floor does not often get much deeper than 20 feet close to shore.