HomePhotosRubyOpaque Red Ruby Specimen from Tanzania
ruby in zoisite matrix, ultraviolet light - Tanzania

Ruby in zoisite matrix (fluorescent). Mundarara Mine, Arusha Region, Tanzania. © Rob Lavinsky, www.iRocks.com. Used with permission.

Opaque Red Ruby Specimen from Tanzania

Ruby in zoisite matrix (fluorescent). Mundarara Mine, Arusha Region, Tanzania. © Rob Lavinsky, www.iRocks.com. Used with permission.

Article: Do Natural Rubies Fluoresce?

Credit: Rob Lavinsky

GemstoneRuby, Corundum
Natural or man madeNatural
OriginTanzania
Origin detailsMundarara Mine, Arusha Region.
Gem StateSpecimen
ColorRed
TransparencyOpaque
LuminescenceFluorescent