60 GRAM PREMIUM SPENCER OREGON SEAM OPAL CUTTING ROUGH

Rare 60gram/ 56*40*23MM Usable area 30*20MM rest in host rock.Premium opal from Spencer opal form Oregon, Somewhat stable material. I have cut quite a bit from this slab 1-1.5 mm seams with rainbow colorplay...This material is used mostly in triplets and a one carat spencer can go for as much as 200 dollars at show. You should be able to cut around 4 stones in the 6* 5mm range or 3/ 8*6 mm approx.Very limited stock and have cut this material and is very easy to cut and polish . Photo at top of category example of stone cut from this slab. Great display piece also.