1) Aquarium unpolished gravels made of marbles and granites. Available in different sizes and in different natural colours. Also used in garden landscaping and interior decorations. 2) Aquarium polished gravels made of marbles & agate. Available in different sizes and in differnt natural colours. Also used in interior decorations. 3) Aquarium River pebbles. Avaialble in different sizes and in differnt natural colours. Also used in garden landscaping and interior decorations. 4) Aquarium Natural stones. Avaialble in different sizes and in natural colours. Also used in garden landscaping and interior decorations. 5) Aquarium machine made pebbles. Avaialble in different sizes and in natural colours. Also used in garden landscaping and interior decorations. 6) Aquarium machine made high glass polished pebbles. Avaialble in different sizes and colours. 7) Aquarium mixed sea shells in natural colours. 8) Aquarium mixed sea shells artificially coloured in multi colours. 9) Aquarium Hermit crab shells both painted and natural colours. 10) Aquarium Artificially coloured gravels & sands in different sizes and colours 11) Aquarium Artificially coloured stones in different sizes and colours. 12) Aquarium Natural rocks and stones used in fish tank and artificial fountains. 13) Aquarium Tropical marine coral sands. 14) Aquarium Fish tank natural sea shells. 1) Aquarium gravels natural colours - http://xxxxx/photos/album/1 2) Aquarium hermit crab shells natural colours - http://xxxxx/photos/album/8 3) Aquarium Natural river pebbles and cobbles - http://xxxxx/photos/album/41 4) Aquarium - artificial fountain - natural rocks - http://xxxxx/photos/album/31 5) Aquarium natural coloured stones - http://xxxxx/photos/album/38 6) Cut sea shells coloured and natural - http://xxxxx/photo