Heulandite is one of the most common and one of the most well known members of the Zeolite Group. It can have a nice pearly luster and lovely colored hues......
Harry thought he was having a heart attack. He whipped around and saw Moaning Myrtle floating hazily in front of him, gazing at him through her thick, pearly glasses.
There was no wind at all and the sky was a uniform pearly white, which meant that visibility would be good without the drawback of direct sunlight in the eyes.
A flashing set of healthy and clean, regular “pearly whites” was a rare sight in Victorian society, the preserve of the super-rich (and even then, dental hygiene was not guaranteed) .