Update: A newer, faster Amazon Fire TV stick has just been released (check out our full review, coming soon!), but owners of this, the original Amazon Fire TV Stick, haven't been left out in the cold.
Gravel /ËÉ¡raevÉl/ ËÉ¡rÃ¦vÉl is composed of unconsolidated rock fragments that have a general particle size range and include size classes from-granule to-boulder sized. Fragments gravel is categorized by The-Udden wentworth scale into granular (gravel 2 to 4 mm or.0 079 to.0 157) in and pebble (gravel 4 to 64 mm or.0 2 to.2 5). in Pay gravel: also known as pay dirt; a nickname for gravel with a high concentration of gold and other precious metals. 2  The metals are recovered through gold panning.
sand. 1. Small, often rounded grains or particles of disintegrated rock, larger than particles of silt. Although sand often consists of quartz, it can consist of any other mineral or rock fragment as well.Coral sand, for example, consists of limestone fragments. 2.. sand-a loose material consisting of grains of rock or coral. beach-an area of sand sloping down to the water of a sea or lake. quicksand-a pit filled with loose wet sand into which objects are sucked down.