US$ 137.50
A special 3
It is also compatible with similar-sized pitch bowls within approximately 3/4" of those dimensions
Wax Dop Stick with handle for stones
clean results on finished wire
321 1 Peel-A-Way Tripoli Compound 147
Polariscope Tabletop-110V Prop 65 - Generic A special 3This tabletop polariscope is designed to quickly differentiate between singly refractive (isotropic) and doubly refractive (anisotropic) stones. By placing a stone between two polarizing filters and rotating the upper lens, you can observe characteristic light changes that reveal a stones optical behavioran essential step in gemstone identification. Features Designed to distinguish isotropic from anisotropic stones Rotating top polarizing lens for
US$ 137.50
US$ 112.50
US$ 187.50