Elemental Specimen Manganese Mn (block, 100g)

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We are selling from Japan. Our Products are Authentic only.

★★★★★★★★★★★ [Product Overview] This block is 99.7% pure. [Product size] Total weight approximately 100g (90-110g). It is an assortment of blocks ranging from a few grams to several tens of grams. [Appearance and Features] It has a white metallic luster. Some surfaces may be oxidized. The oxidized surface has a dull color with a rainbow tint. [Storage and handling] It is somewhat unstable in air and will gradually oxidize and lose its luster. It is recommended to store it in an airtight container. [Others] A dedicated glass case is included. The product image is a sample. The size and shape of the blocks vary from product to product. It is a collection and ornamental specimen. There are individual differences in the appearance of the product. We inspect each product individually and only sell quality products, but if you are not satisfied with the product, you can return it. We will follow Amazon's return policy.