Overview of Pyrite

About
Pyrite, often referred to as "Fool's Gold", is an iron sulphide mineral with a metallic lustre and pale brass-yellow hue, which gives it a superficial resemblance to gold. Pyrite commonly forms in cubic crystals or masses and is frequently found in sedimentary deposits, hydrothermal veins, and coal beds.
Birthstones & Anniversaries
Pyrite is not traditionally assigned as a birthstone.

Facts
Fool’s Gold: Its metallic gold-like appearance has fooled many prospectors in the past.
Sparking Stone: Pyrite was used historically to create sparks for starting fires.
Historical Use: In ancient times, it was polished to create mirrors by the Incas.
Conductive: Pyrite can conduct electricity, making it valuable in some industrial applications.
Science
Mineral: Pyrite
Crystal System: Cubic
Chemistry: FeS₂
Colour: Pale brass-yellow, metallic
Refractive Index: Opaque
Birefringence: None
Specific Gravity: 4.9 to 5.2
Mohs Hardness: 6 to 6.5
Similar Materials
Marcasite: Often confused with pyrite, marcasite has a similar composition but different crystal structure and is more prone to decomposition.
Gold: Its similar appearance to pyrite has led to confusion for centuries, though gold is much softer and heavier.
Chalcopyrite: Another sulphide mineral that resembles pyrite but with a slightly more iridescent, brassy colour.
Treatments
Pyrite is typically untreated, but it can be polished to enhance its metallic sheen.
Synthetics
Synthetic pyrite is not commonly produced, as the natural material is abundant and affordable.
Imitations
Materials such as brass or other metallic alloys may be used to imitate pyrite due to its gold-like appearance.

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