1 Monday: The Garden Grove forecast for Oct 19 is 79 degrees and Partly Cloudy. 2  There is 48 percentage chance of rain and 6 mph winds from the Southwest. 3  Tuesday: The Garden Grove forecast for Oct 20 is 84 degrees and Sunny.
Pumice (pronunciation: /ËpÊmáµ»s/), called pumicite in its powdered or dust form, is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. It is typically light colored.
n. 1  A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive. 2  To clean, polish, or smooth with pumice. 3  A usually light-colored, porous, lightweight rock of volcanic origin.