In 2005/6 we discovered a pocket of tugtupite mixed with what we believe is chkalovite. The combination resulted in a beautiful pearlescent red/white fluorescence. One of the geo-tour members promptly nicknamed this material Greenlandic "Margarosanite"
![Greenlandic "Margarosanite" - Tugtupite +++](https://static.wixstatic.com/media/f4ef11_77e7a45ead3c406b9a84ae5eb3d2b309~mv2.jpg/v1/fill/w_115,h_115,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f4ef11_77e7a45ead3c406b9a84ae5eb3d2b309~mv2.jpg)