Kyanite Statistics and Information | U.S. Geological Survey

Kyanite, andalusite, and sillimanite are anhydrous aluminosilicate minerals that have the same chemical formula, Al 2 SiO 5, but differ in crystal structure and physical properties.

Champion Sillimanite Mine, White Mountain Mono …

The Champion Sillimanite Mine explores an andalusite rich quartz body that is enclosed in an aluminiferous schistose rock. The quartz body was formed by pneumatolic action on …

Sillimanite | Metamorphic Rock, Aluminium …

sillimanite, brown, pale green, or white glassy silicate mineral that often occurs in long, slender, needlelike crystals frequently found in fibrous aggregates. An aluminum silicate, Al 2 OSiO 4, it occurs in high …

Sillimanite – Mineral Properties, Photos and Occurrence

Sillimanite Mineral Data

Sillimanite. Comments: Silky massive sillimanite. Location: Khasia Hills, Assum, India. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species. Sillimanite …

Sillimanite: Mineral information, data and localities.

Sillimanite. Colour: Colorless, white, yellow, brown, green, blue, gray. Lustre: Sub-Vitreous, Greasy, Silky. Hardness: 6½ - 7½. Specific Gravity: 3.23 - 3.27. Crystal System: …

Sillimanite | Properties, Formation, Uses » Geology …

Sillimanite is a mineral that belongs to the group of aluminosilicate minerals known as the sillimanite group. It is named after the American chemist Benjamin Silliman Jr., who first described the …

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Sillimanite is a rock forming mineral in a semi-pelitic gneiss where it forms fibers (sillimanite var. fibrolite) in amphibolite facies gneiss and small prismatic crystals in the …

Sillimanite: The mineral sillimanite information and pictures

Detailed description, properties, and locality information guide about the mineral sillimanite.