A NEW TREASURE.
It was in #1992 that a fabulous and very rare #discovery or "rediscovery" was going to make a gift to mineralogists and geologists all over the #world. In the #heart of the Sierra Nevada, a rock already on the list of rarities, will unveil an unprecedented treasure in an extraordinary petrographic association.
Under the name “BLUEJAY” we will discover “ #Serpentine” associated with green and blue #Mariposite with #gold, an extraordinary composition of a very rare association and of exceptional mineralogical and aesthetic interest. Mariposite is a variety of high chromium #phengite which is a discredited name for a series of minerals between muscovite and #celadonite. In other words, mariposite is a variety of #muscovite rich in chromium.
https://www.rare-gold-international.com/scientific-articles-and-blogs/when-gold-meets-mariposite
