GemDetector App vs Gemology Notes

This app accompanies you in the identification of gemstones. It calculates the refractive index in seconds based on the measurements you enter and helps you with suggestions to identify the gemstone. The integrated library is based on gemstones and data that are also used in gemological training. Disclaimer: The results are for guidance only and do not replace a professional gemological analysis.

Systematic Gemology Notes An offline reference app dedicated to gemology learning, covering the fundamental properties, crystal structures, and systematic classification of common gemstones. KEY FEATURES • Gemstone Browser — Reference material organized by crystal system and gemstone species • 3D Crystal Models — Interactive displays of each gemstone's crystal structure; rotate and zoom to examine every angle • Detailed Notes — Systematic knowledge covering physical properties, optical characteristics, and key identification points • Fully Offline — No internet connection required; study anywhere, anytime Ideal for gemology students, professional gemologists and appraisers, jewelers, and collectors.