DescriptionThese crystal stones are especially helpful in improving the living environment. It can be used for fish tank and aquariums to offer fish a comfortable living environment and improve the visual enjoyment. You can put it in the bag or beside TV, computer, etc. It is also great for DIY crafts.Features- Color: Pink purple. - Material: crystal. - Size: About 14x10x2 cm. - Weight: about 500g. - Every gravel is unique and in smooth surface with polish process. - The crystal stones are also great for DIY crafts. - for fish tank, gardening, deskrop ornament, etc. - Durable and safe, for both fresh and salt water, easy for daily washing. - Also served as flowerpot stone, to make it more colorful.