These Lapis Lazuli slabs are from Afghanistan. They have a considerable amount of pyrite in them and are very glistening under the light.
They cut easy, and polish well with tin or chrome oxide with a tiny bit of aluminum oxide type A mixed in. To obtain an even higher polish, give it a final touch with Zam.
Ruler is in INCHES.
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3 piece parcel
Measures (approx) 2 at 5/32″ thick and 1 at 3/16″ thick
2 piece parcel
Measures (approx) 2 at 7/32″ thick
Measures (approx) 1 at 1/4 to 7/32″ thick and 1 at 7/32″ thick
Measures (approx) 3 at 7/32″ thick