Sillimanite — Gallery · Minerals.net

Fibrous While Sillimanite — Chester, Middlesex Co., Connecticut

White Sillimanite Fibrous Mass — Keene, Cheshire County, New Hampshire

Elongated Fibrous Sillimanite — Brandywine Springs, New Castle County, Delaware

Sillimanite with Garnet — Warren County, New York

Parallel-Growth, Olive-Brown Sillimanite — Oconee Co., South Carolina

Rare Transparent Sillimanite Crystal — Ratnapura, Sri Lanka (Ceylon)

Transparent Rounded Sillimanite Crystal — Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)

Rounded Purple Sillimanite — Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)

Single Gem Sillimanite Crystal — Orissa, India