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.
Read this article Snorkeling From the Shore and Best Time of the Day to Snorkel. If you are going from a boat, listen to, respect and follow all instructions from the captain and crew. Take time to read, Snorkeling From the Boat. Exposure protection is always advisable both in and out of the water. T-shirts, sunglasses with polarized lenses and a hats are good for out of the water.