Rock & Mineral Encyclopedia

Search and identify 1,000+ rocks, minerals, crystals, and gemstones — with properties, formation, colors, hardness, and how to tell them apart.

Jadeite

The rarer and more valuable of the two jade minerals, prized for its translucent emerald-green 'imperial' color and extreme toughness.

A translucent quartz speckled with glittery mineral inclusions that produce a shimmering aventurescence, most often green.

A translucent apple-green chalcedony colored by nickel, the most prized green variety of the quartz family.