SCIENCE Mini Mineral Specimen Mineral Crystal Polyhedron Natural Pyrite polyhedron Origin Thumbnail Box 4cm Case Included Power Stone Pyrite

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★★★★★★★★★★★ Pyrite Pyrite Origin: Spain Chemical formula: FeS2 Thumbnail box Size: 39 x 39 x H34mm It is made of iron and sulfur, and its chemical composition is expressed as FeS2. It has a brass color and metallic luster. It is also called "fool's gold" because of its pale yellow color that is often mistaken for gold. It is a type of sulfide mineral made of iron and sulfur. It has semiconducting properties and has been attracting attention in recent years as a material for high-performance thin-film solar cells. *Contents and origin may change depending on material availability. Specimen case: A plastic case about 4cm square is called a thumbnail box, and is a major method of storing specimens overseas where mineral collecting is popular. Even if you collect a lot, you can store them in a small space and display them as interior decoration. It is made of iron and sulfur, and its chemical composition is expressed as FeS2. It has an isometric crystal system and mainly exhibits a hexahedral crystal shape. The English name "pyrite" comes from the Greek word "pyr" meaning "fire". This name was given because pyrite scatters sparks when hit with a hammer. It is brass-colored and has a metallic luster. It is often mistaken for gold due to its pale yellow color, so it is also called "fool's gold". *The contents and origin may change depending on the availability of materials. Note: Returns and exchanges due to customer convenience are not accepted.