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.
Best Value Snorkel And Mask Combo. If you also need a mask for snorkeling, Cressi offers a great deal on a mask and dry snorkel set. This set has earned a solid 4.5/5.0 rating and has almost 600 reviews. The mask is a low volume mask with a silicone skirt and gives a great field of vision.