Black Impression Jasper--The creation of a gemstone by assembling and cementing several materials together.
Also Known As: African Blue Opal, Aqua Terra Jasper, Impression Jasper, Sea Sediment Jasper
Top Drilled dyed slab ranging from 14x20-20x40mm
Approximate hole .08 - 1.1 MM
The blacks and grays on the jasper are darker than they appear on the pictures.