Making some progress with the remaining 2018 rough. Three quartz varieties cut with concave facets pavilion and crown.
The largest of these is the prasiolite which is 23.70 cts and is 18.0 mm. in diameter.
Next is a 19.40 cts. amethyst which is 17.0 mm across.
And finally, the citrine which is 5.80 cts and 12.0 mm.