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Monocrystalline Silicon Ingot Boule – 4.2 lbs Ultra-Pure Crystal Specimen For Sale

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Monocrystalline Silicon Ingot Boule – 4.2 lbs Ultra-Pure Crystal Specimen:
$499.99
# Monocrystalline Silicon Ingot Boule – 4.2 lbs Ultra-Pure Crystal SpecimenUp for sale is a stunning, premium-grade Monocrystalline Silicon Ingot Boule weighing exactly 4.2 lbs. Grown using advanced industrial crystal pulling methods (such as the Czochralski process), this heavy specimen features a flawless, mirror-like metallic luster with a striking deep slate/chrome reflection.This specific piece is highly sought after by collectors because it features the beautifully formed, intact signature cone growth tip (top seed portion) rather than just a mid-section chunk. It is a spectacular museum-quality display piece for element collectors, science educators, tech enthusiasts, or executive desk decor.📋 VERIFIED PHYSICAL SPECIFICATIONS:
• Material: Ultra-Pure Monocrystalline Silicon (Si)
• Weight: 4.2 lbs (~1.9 kg)
• Height: 5.25" to 5.50" inches (Approx. 5.25" to the shoulder; 5.50" to the absolute peak of the top cone tip)
• Diameter: Approx. 4.12 to 4.25 inches wide at its widest point
• Form: Top section of an ingot boule with an intact seed cone growth point
• Surface: Highly reflective, polished mirror finish with beautiful geometric growth lines🔍 CONDITION & VISUAL NOTES (See Photos):
• Top/Sides: Exceptional condition. Brilliant mirror reflectivity with gorgeous, subtle structural rings from the pulling process.
• Base: Clean, flat-cut base. Features a tiny center indentation from the manufacturing process and minor edge chipping/chatter on the bottom perimeter from the industrial saw cut. Fully visible in the base photos; does not affect display stability or aesthetics.💎 WHY THIS PIECE BELONGS IN YOUR COLLECTION:
• The Ultimate Conversation Piece: The incredible, alien-like metallic reflective surface makes it an instant standout on a desk, office shelf, or mineral cabinet.
• The Foundation of Modern Tech: This is a physical piece of the semiconductor revolution. Every microchip, smartphone, and computer processor starts its life exactly like this.
• Perfect Tech Gift: An ideal, unique gift for software engineers, tech founders, scientists, geologists, or element collectors.📦 SECURE SHIPPING & HANDLING:
• Meticulous Packaging: Crystalline silicon is brittle like glass. This heavy 4.2 lb item will be safely double-boxed, heavily wrapped in thick bubble padding, and completely immobilized to guarantee it arrives in pristine condition.
• Fast & Insured: Ships within 1 business day with tracking and full shipping insurance included.Note: This is a single, unique specimen piece. The item pictured is the exact item you will receive. Please review all high-resolution photos carefully to verify the exact measurements against the ruler.Search tags:Silicon Ingot, Silicon Boule, Monocrystalline Silicon, Czochralski, Element Sample, Periodic Table Collection, Semiconductor, Wafer Specimen, Tech Artifact, Industrial Surplus, CPU Core Material, Crystal Specimen, Mineral Display, Science Gift, Pure Silicon, Metalloid Sample.

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