Rounded
Angular
Black (Anvil) 
Light Green (Parrot) 
Dark Green 
Pink (Ruby) 
Orange (Flame)
Marble chips are one of the most common components of landscaped terrains. In fact, because of their extensive use in landscaping, they're generally known as "landscaping chips". They serve to add a whole lot of colour and texture to landscaped gardens and aquaria alike.
Pebbles have a size range of 10mm to 150mm
sub divided in to the following grades :
10-20mm, 20-30mm, 30-50mm, 50-70mm, 70-100mm, 100-150mm
Angular and rounded chips have a range of :
1-3mm, 3-6mm and 6-10mm
Black (Anvil) 