02 — Rough & specimen
Rough & Specimen
Uncut crystals, matrix plates and trapiche emerald for collectors, lapidaries and mineral cabinets.
| Piece | Origin | Weight | Size | Price |
|---|---|---|---|---|
| Hexagonal crystal in calcite | Muzo | 14.2 g | 31 mm | $180 |
| Trapiche slice, polished | Muzo | 1.84 ct | 9 mm | $460 |
| Matrix plate, twin crystals | Coscuez | 62 g | 74 mm | $540 |
| Terminated prism, gem-grade | Chivor | 6.1 g | 22 mm | $1,150 |
| Collector’s lot, 9 pieces | Mixed Boyacá | 41 g | — | $295 |
| Pyrite-bearing matrix | La Pita | 88 g | 91 mm | $410 |
Rough material is graded differently from cut stones — there is no oil grade on an uncut crystal. If you are moving from specimens to gems, start with loose cut stones and how we grade and disclose them.