For your consideration is a 250ct Smoky Quartz facet rough parcel (3)pc.
 
NOTES:
This is a extremely clean material from a sought after US mine. These will facet large clean stones.
 
*Please refer to the photos/video for color and clarity details.
 
Mineral: Smoky Quartz
Origin: Hallelujah Junction, Nevada, USA
Weight: 250ct 
Dimensions: see photos
Clarity: Mostly Clean