Product Details

A scientifically accurate, research‑based opal reference chart created by Director of Opal Science. This poster clearly separates opal patterns (optical phenomena) from silica‑boundary morphologies (structural architectures), including: • Honeycomb structures • Frond/Fern morphology • Major pattern categories • Micro-tier boundary examples from real specimens Designed for collectors, cutters, sellers, and anyone who wants accurate terminology and a true understanding of opal behavior. Printed in high resolution with detailed photographic examples. Perfect for your gem room, lab, or display area. Dimensions: 24x18” Ships in poster tube.