AF87S9: Translucent crystal of very intense and uniform blue color, with a good pinacoidal termination showing a very well marked geometric color zoning, very deep blue on the center of the crystal. On Quartz matrix and with Muscovite.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2020, page 61
Gilgit District, Gilgit-Baltistan (Northern Areas)  Pakistan

Specimen size: 4.4 × 2.7 × 3.7 cm = 1.73” × 1.06” × 1.46”

Main crystal size: 3.7 × 0.9 cm = 1.46” × 0.35”