Herkimer Diamond Quartz Crystal A+ 2.74 g 17x15mm
These are listed with their grade / quality in the title, A , A+ or AA. A Grade to AA grade make up around 5% or less of all the crystals that come out of the ground. Very few have any serious quantity outside of the 2 main mines here in NY.
You will receive the exact stone or lot pictured here.
Herkimer Diamond Quartz Crystals are harder than regular quartz at 7.5 hardness.