Wonderful sphere of green smithsonite on a custom stand Green Smithsonite, also known as green zinc spar, is a mineral that belongs to the carbonate mineral group. It is a secondary mineral that forms as a result of the weathering and oxidation of primary zinc ore deposits.Smithsonite typically occurs in a variety of colors, including green, blue, pink, yellow, and brown. The green color in smithsonite is often attributed to the presence of traces of copper. It is a relatively soft mineral, with a hardness of 4 to 4.5 on the Mohs scale, making it susceptible to scratching. Approximate Dimension Diameter 10 cm > THE WEIGHT MENTIONED IS INCLUDING STAND AND PACKING MATERIAL. THE SHIPPING -The item will be sent with a Track & Trace code via DHL Parcel, DPD or postNl. The tracking will be updated in your Catawiki lot once your parcel has been dropped off. Please check regularly to avoid your parcel being returned to us, in which case the buyer will be responsible for the shipping costs of the 2nd shipment. For tracking to Spain and Portugal please use this link and add the tracking number from your Catawiki lot https://clientesparcel.dhl.es/LiveTracking/Home WE DO NOT COMBINE SHIPPING!!! If you have any questions about your parcel please contact us using the Catawiki message service. We will try to reply within 3 working days.