Bismuto L'arcano segreto carburo-di-bismuto

Bismuth

€27,90
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Bismuto L'arcano segreto carburo-di-bismuto

Bismuth

€27,90

Spedizione gratuita per ordini sopra €99

✨ Crystallized Bismuth (300 - 500 GR): Alchemical Metal, Structural Iridescence and Cosmic Relevance

Discover the futuristic allure and structural wonder of Bismuth , a rare and extraordinary metal that captivates the eye with its metallic luster and unique geometric shapes. This collectible piece, weighing between 300 and 500 grams , is a must-have for collectors and mineral enthusiasts seeking an element that combines alchemical history and crystalline beauty.

(Bi) has been known since ancient times, when alchemists studied it for its unique properties, long confused with those of lead and tin. It is one of the last stable natural elements discovered, and its structure is often described as 'skeletal' or 'arborescent'.

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The Magic of Crystallization and Iridescence

It is the only common metal that is diamagnetic (repelled by magnetic fields) and expands as it solidifies, properties that give it a unique and complex crystalline structure.

https://it.wikipedia.org/wiki/Carburo_di_silicio

1. Structural Forms

The crystalline metal usually occurs in granular forms or in arborescent crystal skeletons (the artificial form for which it is famous), rarely in the form of euhedral crystals in nature. Its hopper structure, or hopper crystal , is the signature of its rapid crystallization.

2. The Iridescent Enchantment

When purified to high levels, magnificent iridescent crystals can be observed, making it a highly sought-after collector's item.

  • Origin of Color: The extraordinary colors (from blue to pink, to golden hues) are not intrinsic to the metal, but derive from a thin layer of bismuth oxide (Bi2O3) that forms on the surface. This layer creates a phenomenon of light interference that generates a range of unique hues, making each piece truly special and one-of-a-kind.

Physical Properties and Cosmic Relevance

It is not only beautiful, it is also extremely resilient and scientifically fascinating.

  • Extreme Resistance: It boasts extremely high resistance to chemical corrosion . It also has high resistance to thermal shock and remarkable thermal conductivity .

  • Hardness: Its wear resistance and hardness are second only to diamond, making it incredibly durable.

  • Interstellar Dust: There is also a form of bismuth that has cosmic significance: Bismuth-containing silicon carbide (SiC) is a common form of interstellar dust found near carbon-rich stars.

Bismuth and Hematite: The Aesthetic Fusion

Although rare, bismuth is also known for its ability to form magnificent pieces that combine the metal with hematite (Fe2O3). This fusion gives bismuth a unique luster, enriching its color palette and creating specimens of great aesthetic value.

Add Crystallized Bismuth to your collection and be enchanted by its extraordinary chromatic shades, combining the science of rare metals with the magic of iridescent crystals.

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