"Herkimer diamonds" are not diamonds, but clear colorless doubly-terminated quartz crystals that, at their best, can look much like diamonds. Found at a number of places near Herkimer, New York.
Herkimer "diamonds" are twinned quartz crystals and so could be recognised by crystal shape alone. also, diamonds superior hardness would make it stand out from a Herkimer "diamond" if you were to...
Herkimer diamonds are a beautiful yet very common form of quartz, found in the area around Herkimer, NY. They are generally not very expensive at all, but price depends on size, clarity, lack of...
The lustrous, transparent, doubly-terminated quartz crystals from mines around Herkimer, New York, called Herkimer diamonds, present a dilemma for collectors. They are quite brittle, and found in...