Rock & Mineral Encyclopedia

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

Poppy Jasper

An orbicular jasper with red and orange flower-like spots resembling poppies, famously from Morgan Hill, California.

A prized Mexican jasper known for pastel green, lavender, and cream orbicular patterns that take an exceptional polish.

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

An earthy-toned jasper with vine-like or scenic patterning, valued by lapidaries for warm browns, reds, and creams that polish to a smooth finish.

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

A warm earth-toned jasper from Madagascar in flowing reds, oranges and golds, also called desert jasper, discovered in the early 2000s.