1.   ...the optical effects of volcanic dust in the stratosphere.

2.   Beryllium is a hard, grayish metal found in mineral rocks, coal, soil and volcanic dust.

3.   A huge cloud of volcanic dust and gas pursuing a truck full of fleeing people.

4.   -Volcanic dust that is screening the sun hurts crops and causes agricultural commodities prices to soar.

5.   An American Airlines official also said that some pilots were advised to alter their flight paths to avoid the volcanic dust, which can damage engines.

6.   An American Airlines official said some pilots were advised to alter their flight paths to avoid the volcanic dust, which can damage engines.

7.   But what else do you expect from a golfer who has a curious way of wearing his cap and cleanses his body with volcanic dust?

8.   Light low-level southeasterly winds since last night across the northeast Caribbean have spread a layer of volcanic dust from Montserrat across our area...Producing the haze.

9.   Mount Krakatau, a volcano on the western tip of West Java, spewed ash and volcanic dust and triggered a small earthquake Tuesday, an official said.

10.   Some villagers living closer to Merapi have been wearing masks as protection against volcanic dust.