Ruby on Matrix | genuine raw red ruby crystal, natural mineral specimenThis 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.