Product｜Citrine｜Taken from La Aurora Mine, Charkas, San Luis Potosi, Mexico - the famous Mexican Angel Mine in the crystal world. Mexican tantalum without any treatment is actually not a crystal (quartz) type, but rather a crystal system more like topaz. Few people know about tantalum because it is a rare mineral. Given its rarity, most of the mined tantalum is turbid and gray and cannot be carved into gemstones. Only a small number of them are abnormally bright and transparent, such as the full range of tantalum faceted gemstones from Xinkuang Shenyi. The cut of this gem shows the super transparency of citrine. This rhombus cut is like the cut of emerald. When you look directly at it, it looks like it has layers of depth, but it is very transparent. The sharpness of the two diagonals enhances the clarity through the "shape". It is a very smart cutting method. Clean | Flawless [This standard is based on the GIA's standard for diamond clarity - no flaws can be seen in the gem under a 10x magnifying glass] Weight | 1.91 carats Shape | 10.4 x 5.9 x 3.8mm Radiant Rhomboid Cut [Radiant Rhomboid Cut by Miro, Germany] Color | Colorless Clear