Ruby on Matrix | natural crystal, mineral specimen from TanzaniaThis Ruby on Matrix from Tanzania features vibrant red ruby crystals naturally embedded in their host rock, showcasing the gems rich color alongside the dark tones of the matrix. The contrast between the lustrous rubies and the surrounding matrix gives each specimen a dramatic, striking appearance. Winza rubies are characterized by lilac, to a magenta red ruby color with intense saturation. The crystals are often attractively multi colored and zoned.