Gemstone mined in Sri Lanka

• Crystalline gemstone
• Ruby variety
• Mineral containing magnesium
• Rubylike gem
• Gemstone often passed off as a ruby
• A hard glassy mineral consisting of an oxide of magnesium and aluminum
• Ruby ___ (gem)
• Mineral used as a gem
• Occurs in various colors that are used as gemstones

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Spinel \Spi*nel"\, Spinelle \Spi*nelle"\, n. [F. spinelle, or LL. spinellus, perhaps from L. spina a thorn, a prickle, in allusion to its pointed crystals.] (Min.) A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue, ...