Dioptase Crystal Cluster Specimens Raw Matrix Lot Congo — Collector Grade Vivid Emerald Green Cabinet Pieces

This lot contains raw dioptase crystal cluster specimens sourced from the Democratic Republic of Congo — Katanga and Kasai region — one of the world's premier localities for this vivid copper cyclosilicate mineral. Each piece displays prismatic trigonal crystals in vivid emerald green to deep teal green, with dark forest green shadowing settling into the crystal interstices.

Host matrix ranges from tan to iron-oxide brown, giving each specimen a natural contrast that lets the color of the crystals read clearly. Crystal definition and matrix presentation vary piece to piece across the lot, which offers solid sorting potential whether you're pulling cabinet display pieces or building out a resale inventory.

Dioptase is an uncommon collector mineral. Strong color saturation and well-formed cluster habit are the benchmarks — this lot delivers both at a mid-grade level suitable for display selection. Specimens are small cabinet size. Lapidary use is not applicable; these are raw matrix specimens intended for collection and display.

Listed as a lot. Individual piece character varies; the description reflects the lot as a whole. No fabricated locality or treatment claims — what you see is what the Congo ground produced.