1 definition by Gemstone_Info
Spinel is the magnesium/aluminium member of the larger spinel group of minerals. It has the formula MgAl₂O₄ in the cubic crystal system. Its name comes from the Latin word "spinella", which means spine in reference to its pointed crystals
"Spinel's are very durable and depending on its color 2 to 5 carat size it will often sell for $3,000 to $5,000 a carat"
by Gemstone_Info March 28, 2020