These beautiful tanzanite specimens are sold Individually Small tanzanite crystal are sold individually. pieces range from 1/2 inch to 3/4 inch long (see sizes below) ***These genuine tanzanites were mined ethically and respectfully in Tanzania These small size tanzanite mineral specimens were mined in the Merelani Hills of Tanzania. ***They are translucent to semi-transparent tanzanite crystal pieces with light to medium blue-violet color. From 2.4 grams to 5 grams each (14-25 carats each) Tanzanite crystals are believed to facilitate a higher consciousness and stimulate intuition and perception. ***Some believe that it helps in detoxifying the body and improving vitality. We also have small individual Peridot crystals available, see them at the following link; https://www.etsy.com/listing/701879740/gem-grade-natural-peridot-pieces-raw?ref=listings_manager_grid At MineralMiners.com your satisfaction is our top priority! We guarantee Unique Items, Superb Energy and Collector Quality at Miner's Prices! ? Have a "Gem" day!