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.
We use a lot of snorkeling sunscreen and have tried and tested just about every brand and type of this necessary goop to find what works. And honestly, finding a good snorkeling sunblock is not that easy for two reasons. First, most products that are marked as waterproof, aren't, and you will get burned.