Rock & Mineral Encyclopedia

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

Silver

A soft, lustrous white native metal with the highest electrical conductivity, used in jewelry, coinage, and industry.

A bright yellow native element mineral that forms around volcanic vents and hot springs and burns with a blue flame.

A dense, durable, silvery-white precious metal that resists corrosion, used in fine jewelry and catalytic converters.