Rare Large Crystal Opal Mintabie, South Australia, Australia The opal deposits of Mintabie have long been depleted with no new production emerging. The present example was set aside many years ago by the miner who could not bear to part with it earlier. Simply contour polished to reveal its beauty, a vibrant electric green blue pinpoint play-of-color are seen to dance across the surface. Such a notable piece would, no doubt, create a fine pendant.
Gem quality sphalerite is a rare collector stone. The mineral is usually nearly black in color but is occaisionally found in transparent pieces of an orange or yellowish brown hue. Clean pieces are extremely rare. More @ www.multicolour.com and #gemstones
Indian Alexandrite under sunlight. , Superior brilliance, and excellent clarity and although the color change is not strong, alexandrites from Andrapradesh are well known for their beautiful daylight color. More @ www.multicolour.com and #gemstones #alexandrite
Identification chart for blue and aqua colored crystals
Uncut Raw Blue Amber: "Blue amber is the rarest of all ambers, and before the Indonesian discovery it was only found in the Dominican Republic and in small quantities in Mexico. PHOTO: Dominican blue amber Amazing Geologist