Tabletop polariscope PK14-LED

Professional table-top polariscope with LED illumination

The polariscope is used to quickly determine the optical properties of gemstones. The devices help to determine cutting angles and detect stresses and pleochroism in colored stones and gemstones.

Technical details at a glance:

■ The PK14-LED polariscope is a high-quality table-top device with an integrated mains-powered LED light source
■ The rotatable glass sample plate between the polariser and analyser has a diameter of 44 mm. It allows the investigation of several stones simultaneously
■ This polariscope has a stone holder and an additional conoscopic lens with a diameter of 10 mm
■ Dimensions (w x h x d): 70 mm x 142 mm x 132 mm
■ Weight: 600 g

For practical examples and tips on investigations with the polariscope and the identification of gemstone imitations or the differentiation of ruby or tourmaline, see the article: Distinguishing gemstones from glass.

Background knowledge on the investigation with the polariscope can be found in the methods article Polariscope.