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A small notch has been added to the inside corner to prevent small particles from accumulating and affecting the square's reading
The magnifier flips up and out of the way when not needed
244 2mm 110
721) — for deeper access
Available in approximately 23-meter spools for extended use
Polariscope Tabletop-110V Files Bulk Discount A small notch has beenThis 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
