Spinel (/spɪˈnɛl, ˈspɪnəl/) is the magnesium/aluminium member of the larger spinel group of minerals. It has the formula MgAl 2O 4 in the cubic crystal...

The spinels are any of a class of minerals of general formulation AB 2X 4 which crystallise in the cubic (isometric) crystal system, with the X anions...

The Samarian Spinel is a 500-carat (100 g) spinel gemstone that is the largest of its kind in the world. It is part of the Iranian Crown Jewels. It and...

Spinelly is a surname. Notable people with the surname include: Andrée Spinelly (1877–1966), French actress Thomas Spinelly, English diplomat Spinelli...

Andrée Spinelly (1887–1966), often known simply as Spinelly, was a French stage actress. She also appeared in several films. She emerged as a major music...

The Black Prince's Ruby is a large, irregular cabochon red spinel weighing 170 carats (34 g) set in the cross pattée above the Cullinan II diamond at the...

oxynitride (AlON), magnesium aluminate spinel (spinel), and single crystal aluminum oxide (sapphire). Aluminium oxynitride spinel (Al23O27N5), abbreviated as AlON...

Iossif Aronovich Spinel ⁠(Russian: Иосиф Аронович Шпинель) (September 25 (7 October)1892, Bila Tserkva, Kiev Governorate, now Ukraine — 2 July 1980, Moscow)...

The Spinel of the Great Imperial Crown (Russian: Шпинель Большой императорской короны) or Menshikov Ruby (Russian: Рубин Меншикова) is a historical gemstone...

"Tribute to the World") is an unfaceted, 352.54-carat (71 g) polished red spinel set in a necklace. It is named after the ruler Timur, founder of the Timurid...