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721) — for deeper access
244 2mm 110
and straight
Parallel flat profile — parallel sides with a flat tool bottom
Polariscope Tabletop-110V Files Bulk Discount 721) — for deeper accessThis 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
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