Cavansite on Stilbite | Barras-Gautier-Min.https://static.wixstatic.com/media/daf8af_3851a3a05dcf45079c007e4a02bfd9f1~mv2.jpg/v1/fit/w_500,h_500,q_90/file.jpg Dimension: 6 x 5cm Origin: Quarry of Wagholi, Pune, Maharastra province, India Diameter of the crystals 1.6cm. Contact us, many other very high quality parts available Ref: EC36