Gem material Gemstone Healing crystal

Star garnet

Type of garnet that displays a reflected light on its surface resembling a star; specifically, a variety of almandine exhibiting a four-rayed or rarely six-rayed star due to oriented inclusions of rutile; it is the Idaho state gemstone..

Red

Variety of Almandine.

📜 Key facts

AgePrecambrian to Cretaceous metamorphic rocks of northern Idaho; the garnets weathered into stream gravels
Origin & sourcesEmerald Creek and Purdue Creek, Idaho Panhandle (USA), and India. Idaho has been one of very few commercial sources. Star garnet has been the state gem of Idaho since 1967.
CompositionAlmandine garnet with oriented needles of rutile (or other minerals)

How it forms

Needle-like inclusions grow along several directions in the garnet. Most Idaho stones show a 4-rayed star, and some show 6 rays.

Mineral data: see Almandine.

🌍 Where it's found

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.

🔗 See also

✨ Metaphysical & Folklore

These are traditional and folk beliefs from crystal lore. They are not scientific or medical claims – crystals are not a substitute for professional care.