Calcite Crystal Feature Calcite Crystal Calcite is a negative uniaxial crystal that has high birefringence, wide spectral transmission and availability in reasonably sized rhombs. Although is a fairly soft crystal and is easily scratched, it is ideal material used as visible and near IR polarizers, such as Glan Taylor, Glan Thompson and Glan laser. Optical Axis Orientation :+/-0.5deg Parallelism:<10 arc secs Wavefront Distortion:< λ/2 @632.8nm Coating:Coating upon Request Email: [email protected] Tel:+86-755-2372 7820 Fax：+86-755-2302 3823 www.hobbite.net Address:2F, Guohuitong Business Center, BaoAn District, ShenZhen City, GuangDong Province, PRC. Zip Code:518102