Hauyne, Gonnardite, Phlogopite, Calcite - Afghanistan

Contributed by: Mark Cole
Date: Apr 8th, 2026
Locality: Sar-e-Sang, Kuran wa Munjan District, Badakhshan, Afghanistan (See on Mindat)
Size: 3 x 1.5 x 4 inches
Weight: 7.4 oz

Description:
Hauyne (bluish SW, yellow LW), Gonnardite (bluish white all), Phlogopite (yellow SW), Calcite (reddish SW and MW) - a great example of hauyne altering to gonnardite. Most specimens from Afghanistan benefit from displaying using fullwave UV (SW_LW, maybe even some MW); the first photo for this piece is fullwave. Gallery below shows other wavelengths.

Originally posted by Mark Cole on Nature's Rainbows in 2018.