Silicon Crystal 75-100mm Elemental Silicon Mineral Specimen Genuine Collector Display Stone with Certificate of Authenticity

Description Elemental Silicon Crystal – 75–100mm Collector Specimen This genuine Silicon crystal is a carefully selected elemental silicon specimen measuring approximately 75–100mm. Chosen for its structure, surface quality, and display appeal, this piece represents one of the most scientifically important elements in the Earth’s crust. The photograph shows an example of the actual specimen you will receive. Please refer to the listing images for full sizing and visual expectations within this range. Your Silicon specimen includes a Certificate of Authenticity lifetime guarantee generic card, confirming it is a genuine elemental specimen. Mineral Classification & Chemical Composition Silicon is a chemical element with the symbol Si and atomic number 14. In nature, silicon is most commonly found combined with oxygen in silicate minerals and quartz (SiO₂). In its elemental form, silicon is classified as a native element and crystallises in the isometric (cubic) crystal system with a diamond-type lattice structure. Unlike silicate minerals, elemental silicon consists solely of silicon atoms arranged in a tetrahedrally bonded framework. This atomic structure gives silicon its semimetallic properties and distinctive crystalline geometry. Key properties include: Element: Silicon (Si) Mineral Group: Native Element Crystal System: Isometric (cubic) Colour: Dark grey to bluish-grey Lustre: Metallic to submetallic Hardness: Approximately 6.5–7 on the Mohs scale Fracture: Conchoidal to uneven Formation & Geological Context Elemental silicon does not commonly occur in pure crystalline form in natural geological settings, as it readily bonds with oxygen to form silicate minerals. Most silicon crystals available for collectors are refined from silica-rich materials such as quartz through high-temperature reduction processes. Silicon’s geological importance lies in its role as the fundamental building block of the silicate mineral group, which makes up the majority of Earth’s crust. Minerals such as feldspar, quartz, mica, and amphibole all contain silicon-oxygen tetrahedra as their structural foundation. This specimen represents the elemental form of silicon, allowing collectors to appreciate the core element responsible for the vast diversity of silicate minerals found worldwide. Appearance & Crystal Characteristics Silicon crystals typically display a metallic grey to steel-blue sheen with angular, geometric surfaces. Depending on growth conditions, faces may show sharp edges, stepped patterns, or crystalline facets that reflect its cubic internal structure. The 75–100mm size range provides substantial visual impact, making this an excellent centrepiece for a mineral cabinet, educational display, or element collection. Surface textures may vary slightly between specimens due to natural fracture patterns or crystal growth characteristics. No artificial dyes or decorative treatments are applied. Collecting & Educational Value Elemental silicon holds exceptional scientific significance as one of the most abundant elements in the Earth’s crust and the foundation of modern semiconductor technology. Its crystalline structure is fundamental to materials science and mineralogy. For collectors of native elements or educational institutions, silicon offers a tangible example of atomic crystal lattice structure and elemental chemistry. Silicon is traditionally associated in some spiritual practices with clarity and innovation; these associations are cultural rather than scientific. Authenticity & Individual Selection Each Silicon crystal is a carefully chosen genuine specimen. The listing photograph shows an example of the actual piece you will receive within the stated 75–100mm size range. Please review the images for scale and expected structural variation. Every specimen is supplied with a Certificate of Authenticity lifetime guarantee generic card, confirming its genuine elemental origin. A striking example of a foundational Earth element, this Silicon crystal represents both geological significance and modern scientific importance, making it a distinctive addition to any serious mineral, element, or educational collection.