Indigo Gabbro Pebble

Indigo Gabbro, often sold under the trade name Mystic Merlinite, is a coarse-grained igneous rock composed primarily of feldspar, quartz, and dark mineral inclusions. Its striking mix of black, gray, and deep indigo tones gives it a dramatic and unique appearance. Formed deep beneath the Earth’s surface as magma slowly cools, Indigo Gabbro develops its large crystal structure over long periods of geological time. Most specimens on the market come from Madagascar. Valued by collectors for its bold contrast, natural patterns, and geological significance, Indigo Gabbro is a fascinating example of Earth’s slow and powerful volcanic processes.