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.
I love to snorkel and I have been to every island. I don't think Oahu has any great snorkeling spots/resorts. It has great cultural places and the best restaurants but not snorkeling. Kauai is the oldest island and despite that drawback, St. Regis is not a bad resort for snorkeling. The problem is there are always a ton of people there.