Lab-Created Cobalt Spinel – High-Clarity Neon Blue Rough Crystal

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💎 Cobalt Czochralski Spinel Gemstone Rough — Neon Blue Brilliance, Lab-Grown Purity Immerse yourself in the electric beauty of Cobalt Spinel, a lab-grown gemstone created using the Czochralski pulling method — a process that yields crystals of exceptional clarity and size. This synthetic spinel dazzles with a vivid neon blue hue, unmatched by natural counterparts and free from the inclusions common in flame-fusion materials. Ideal for faceting, collecting, or custom jewelry, cobalt spinel offers a modern twist on a classic gem species. ✨ Key Features: Color: Intense cobalt blue with neon vibrancy Hardness: ~8.0 on Mohs scale — durable and suitable for daily wear Refractive Index: ~1.719 — delivers crisp brilliance Dispersion: ~0.020 — moderate fire with clean flashes Density: ~3.9 g/cm³ — solid and substantial feel Melting Point: ~2135 °C (3875 °F) — highly heat-resistant Origin: Lab-grown spinel via Czochralski pulling method Crystal System: Cubic — no cleavage, excellent for faceting This cobalt spinel rough is perfect for those who crave bold color, gem-grade clarity, and the precision of advanced crystal growth. Each piece is sold by weight and ready to be transformed into a faceted gem that radiates with modern elegance. 📸 Additional Notes: If you would like to see additional pictures of the piece(s) you're interested in, please feel free to contact me. I’ll be happy to provide more images for your review. The color of the stone in the photo may vary slightly, as not all computer monitors are calibrated the same. Show more