Tiny but super-rare, this cumengeite crystal perches on a throne of brecca, or…
Orange Phantom Quartz: very rare, from India. A stunning orange phantom shines beneath light smoky quartz. Iron gives it the reddish colour.
ifuckingloveminerals: Fluorite, Sphalerite Minerva MineCave-in-Rock, Hardin County, Illinois, USA
this time we can observe growth structure (trigons) on a very deep green chrome crystal of Tourmaline. 350 ct and about 44 x 40 mm specimen. They are very diamond like termination. to be remembered that Tourmaline has a trigonal symmetry.