Element specimen manganese Mn engraved normal (10mm cube, A, side)

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- [Product Overview] 99.9% pure, 10mm square cube. [Identification] (front) [atomic number, element symbol, English name, density], (back) [purity, atomic weight] [Appearance and Features] It has a bright silver luster and is lightweight. [Storage and Handling] It will gradually oxidize in the air and the surface will darken. Do not use acid cleaning. Closed storage is recommended. [Others] Comes with a special glass case. Elemental specimen for collection and ornamental use. There are individual differences in the appearance of the product. We conduct a visual inspection of each item and only sell good quality items, but if by any chance you are not satisfied, please return the item. We will respond according to Amazon's return policy.