min 5.25ct 14x10mm barion cut zandritetm color change. zandritetm is a type of synthetic glass that was created by a major glass manufacturer. a developing scientist came across the idea that this new creation had gemstone marketing possibilities and
minimum 5.25ct 14x10mm emerald cut radiant cut yellow labradorite. labradorite is a gemstone in the color and exhibits lustrous metallic tints of blue green yellow red gold and purple. on mohs' scale of hardness labradorite is 6 6.5. it has a vitreou
minimum 5.25ct 13x11mm oval russian lab alexandrite. this man made color change gemstone changes from bluish green in daylight to purplish red in incandescent light. it has essentially the same chemical composition and crystal structure as natural al
minimum 5.25ct 12x12mm trillion russian lab alexandrite. this man made color change gemstone changes from bluish green in daylight to purplish red in incandescent light. it has essentially the same chemical composition and crystal structure as natura