Weight: 149 Grams / 5.30 Ounce Size Approx: 3.20 inch x 2.50 inch 1.40 inch Luster: Glassy Hardness: 5 - 6 Specific Gravity: 2.35 - 2.60 Has colors of Purple and Green and Gold. There's a piece on this stone that has rainbow iridescent in the glass looking part. It's best to view obsidian in natural sunlight. The rainbow is caught at the right angle. Photos of this stone was taken with studio light, and a bright flashlight directly on the specimen to showcase the colors more vividly ____________________________________________________________________________________________________ The stone is wet in these photos. This is what the stone will look like after its been tumbled and polished. Showing the stone in this state shows its true potential. I combine on shipping, please check out other minerals I have for sale :) Please refer to photos for size and condition. You’re getting the one pictured here. All items purchased from me come from a smoke free home. This listing is for one stone*Please note, that the color may be a little different due to monitors and lighting effects. I do my best to accurately represent my items with the photos. I show different angles of the stone as well at the stone in different lighting.