Smectite from Lanark, Ontario, Canada. Comes with certificate of authenticity. Stone type: Smectite. Dominant color: multicolored. Origin: Canada. Average weight (Carats): 25.4 carats. Dimensions (mm): 23 x 16 x 15 mm. Ref. SKU009959. Natural materials composed of fine particles, rich in aluminum silicates and other minerals.
