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: ~7.5–8.0 on Mohs scale — durable and suitable for daily wear
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.
