cost of mexican beach pebbles
1 The cost of decomposed granite is between $35 and $50 per cubic yard. 2  The average cost of crushed granite gravel is $60 per cubic yard. 3  The cost of pea gravel is about $50 per cubic yard. 4  The cost of river rocks can be as low as $0.05 per pound.  Mexican beach pebbles average more than $700 per ton.