That ranges in color from a light yellow through orange to amber brown. So, if you have access to the needed instruments you can proceed with the identification, if not, it might be time to call in an expert and finally find out what kind of gemstone is it that you have on your hands. Gemstone Identification Chart 6x9 Glossed Raw Gem Reference Etsy Precious Stones Chart Gemstones Chart Crystal Identification This component can be further divided into three parts: Raw crystal identification by color . Being a cooling stone, it has a soft, soothing elegance that is used to cure insomnia, promote strength and healing, and ensure a healthy life. In a green gemstone, the primary hue is green, but gems often have secondary hues, too. Calcite or dolomite (form of calcite with mg) crystals fused together. Copper ore chalcopyrite hardness 1 2.5 3 3.5 greenish black rough fracture “fools gold”, brassy yellow. The color blue, for instance, has a gentle and soothing quality while red ...