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.
So make sure and get one that is a good fit for your mouth size and the right tube size if it is for kids. Here we give you our advice from years of experience on what types work best (we buy new ones almost every trip to test them out). First let's just look at the basics. Your snorkel is how you breathe with your face stuffed in the water. It has a mouthpiece that is soft and comfortable and that seals out any water. It attaches to the side of your face mask strap, and will allow you to breathe in a variety of head positions common to snorkeling.