NATURAL SLATE - 100% real Slate stone proudly sourced in the USA will add beauty and realism to your creations. Because these are natural stones, each bag is a mix of slate stones from 1/8 to 1/4 inches. This is are second to the smallest size slate and is a BEAUTIFUL addition to your scene or habitat! Perfect scale for miniature models, wargaming and crafts as well as a topper for bonsai, succulents, miniature gardens and potted plants. An excellent gravel for aquascaping fresh and saltwater aquariums, and planted tanks. The deep grey/black color makes wood, plants and other inhabitants and decorations pop. This gravel pairs perfectly with our larger stone that come in sizes from 1 to 10 inches for a cohesive, natural scene. As a natural stone, there may be some white or brown surface discoloration mixed in. These beautiful variations add a natural uniqueness and interest to the substrate. We offer three different sizes of small scale gravel to choose from; 1/8"-1/4" (this listing) , Coarse sand (1/32" to 1/8") and 1/4-1/2". We like to mix these for an even more realistic scene! Check them out! Small World Slate & Stone is proud to offer this beautiful natural slate stone gravel. Proudly sourced in the USA! It is safe for use in your scenery and will not deteriorate like resin or man made gravel does. Perfect scale for basing miniatures, vase filler, aquarium/aquascaping, miniature/fairy gardens...these stones easily incorporate into all your "Small World" needs scenes. They also pair well with our other sizes of slate stones and are PH neutral, so they are safe for aquariums and bonsai. We have sorted and washed this stone gravel. We also offer our slate in several size ranges from pathway stones to smaller scale gravel.