Monocrystalline Silicon Ingot Boule Tail End Tang Cone Scrap Specimen 7.9oz 3\" For Sale

• Monocrystalline Silicon Ingot Boule Tail End Tang Cone Scrap Specimen 7.9oz 3\"

Item Specifics

• Condition:Used (or \"Pre-owned\")
• Brand:Unbranded / Industrial Artifact
• Material:Pure Monocrystalline Silicon (Element Si, Metalloid)
• Form / Item Type:Ingot Bottom / Tail End / Tang
• Weight:7.9 oz (approx. 224 grams)
• Dimensions:3.0\" Base Diameter x 3.0\" Height
• Manufacturing Process:Czochralski Method (Single Crystal Growth)
• Category:Collectibles > Rocks, Fossils & Minerals > Crystals & Mineral Specimens > Display Specimens

Detailed Item DescriptionTitle: Authentic Monocrystalline Silicon Ingot Boule Tail End (Tang) – 7.9 ozOverview:
Up for sale is a genuine, highly reflectiveMonocrystalline Silicon Ingot Tail Piece(commonly called a \"tang\"). This unique piece of industrial hardware is from a real-world semiconductor manufacturing process. It represents the final section of a single-crystal silicon boule where the pull diameter was gradually narrowed down to separate the crystal cleanly from the molten crucible melt.With its striking, fluid-like geometry, it looks like a heavy metallic drop or spinning top. It is perfect for a science classroom, tech desk display, paperweight, or an element collection!Item Features & Specifications:

• Material:Ultra-Pure Single-Crystal Silicon (Metalloid Element)
• Weight:7.9 ounces
• Dimensions:3.0 inches across the flat base; 3.0 inches from base to the rounded tail tip
• Finish:Deep, dark chrome mirror luster with pristine reflections across the sloped walls.
• Texture Details:Unlike the seed end, this tail piece terminates in a remarkably smooth, bulbous teardrop tip. The opposite flat side shows the clean, matte-gray saw cut where it was detached from the usable section of the core ingot body.

Condition Notes:
Pre-owned industrial artifact. The piece is in excellent aesthetic condition with an exceptional polished finish. The saw-cut base edges feature typical small industrial handling chips/fleabites as shown in the photos. Silicon is highly brittle like glass, so it will be wrapped securely in heavy bubble wrap to guarantee safe arrival.Keep in mind the shipping price also covers handling fees, packaging materials & time, not just postage.
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