Lazulite - PL spectra Lazulite Index IR-Reflectance Photoluminescence UV-Vis-NIR Grayish-blue lazulite - Freßnitzgraben, Krieglach, Fischbacher Alpen, Styria, Austria (TL) Dark-blue lazulite - 0.79 ct - Pakistan Strong-blue lazulite - 0.07 ct - Brazil Blue lazulite - Inclusions in a 3.13 ct colorless quartz - Madagascar Grayish-blue lazulite - Freßnitzgraben, Krieglach, Fischbacher Alpen, Styria, Austria (TL) No luminescence. Dark-blue lazulite - 0.79 ct - Pakistan No luminescence. Strong-blue lazulite - 0.07 ct - Brazil No luminescence. Blue lazulite - Inclusions in a 3.13 ct colorless quartz - Madagascar No luminescence.
