Rock & Mineral Encyclopedia

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

Yellow Jasper

An opaque yellow-to-golden variety of jasper, an iron-stained microcrystalline quartz prized for warm color and durable polish.

A vivid greenish-yellow quartz, usually heat-treated or irradiated, prized for its clean clarity and bright lemon color.

Quartz colored or coated by golden iron oxides such as limonite or goethite, giving a warm sunlit yellow glow.

A natural bicolor quartz that combines purple amethyst and golden citrine in a single crystal.

The golden-yellow variety of quartz, ranging from pale lemon to deep madeira amber, often produced by heating amethyst.

A warm mustard-to-ochre yellow jasper colored by iron, valued by lapidaries for its rich, earthy golden tone.

A soft-toned cream-to-butterscotch jasper colored by iron oxides, prized by lapidaries for its smooth, even, opaque finish.

A loose, wind-blown silt deposit, typically buff-colored and very fertile, that forms thick blankets and stands in steep cliffs.

A warm golden to amber translucent chalcedony agate whose color and glow resemble honey, sometimes with banding.

A fiery jasper whose red, orange, and yellow plumes lick across the stone like flames against an earthy background.

A chalcedony agate with red, orange, and yellow plume or banding patterns that rise like dancing flames within the stone.

A rare Australian jasper from the Pilbara with bold red, yellow, and black abstract patterns, prized by collectors.