Polar jade slabs will contain five square inches in one slab order. (Stock 532s) This fantastic, translucent, nephrite jade is from British Columbia, Canada, and is rated "A" quality or better. The slabs are approximately 1/4" thick. This is a hard dense jade in shades of green rivaling jadeite for quality jewelry. The price for good quality jade has gone up dramatically in the last year or two, since the good quality jade seems to be disappearing. For Polar jade rough or other gemstone rough see the category Rough for Cabbing. The digital image has been backlit to show the translucency of the slabs.