Login

Join for Free!
16245 members
Dictionary » P » Pearls

Pearls

pearlstone

(Science: chemical) A glassy volcanic rock of a grayish colour and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified 21:16, 3 October 2005. This page has been accessed 454 times. 
What links here | Related changes | Permanent link