Check the listing for details. Silicon Lanthanum Zinc Bismuthate glass. Condition: New. Listed at 49.00 USD. HOTLINE: 0043-650-4798888 leading supplier for high purity elements, periodic table displays for research, education and collection. Living science… Silicon Lanthanum Zinc Bismuthate glass Silicon Lanthanum Zinc Bismuthate glass Silicon Lanthanum Zinc Bismuthate glass NEW! Diameter about 10mm weight 3 3.5 grams Bi2O3 54 mol% individually handmade in our lab. Beautiful optical glass beads doped with metal ions. Elaborately and individually manufactured by us in the laboratory from highly pure reagents. Gorgeous beads showing the typical colors of different metal ions in different oxidation states. They can be used for save demonstration of different colors of the metal compounds or just for collecting. We offer discounts for Universities and Schools inclusive shipping on invoice! If you need a product not listed in our shop please contact us for a price quote! Shipping Delivery time: Due to actual shipping restrictions shipping and many delays with standard airmail we send ALL our products by DHL express only. We are happy to combine several items or orders.