Ulexite (Rough) #7 measure approximately 4 9/16" x 2" x 1 3/4" (115.9mm x 82.6mm x 44.5mm) and weigh approximately .9.5 ounces (240.0 grams). These pieces are not pure white.
(Healing Crystal, Ascension Crystal, Scrubber Crystal)
Hardness: 2.5
Origin: USA