Please note: Due to the slow dissolve rate and unique composition of minerals Himalayan salts may take a little longer than usual to dissolve in water. (amazon.com)
Upon closer observation, one realizes that these are the same images, existing in unique composition, light and color. (paceprints.com)
It's a very beautiful place, formed by layers and layers of volcanic ash; it's unique composition made it the first place we saw green grass in the islands. (treehugger.com)