MH46AH3: Seen and unseen, these samples that appeared at the Munich Show in 2015 are currently a rarity. They form arborescent growths of Willemite crystals pseudomorphous after Descloizite and have partial coatings of small barrel-shaped Mimetite crystals with an intense orange color.
This specimen was published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 49, May 7, 2018 edition.
Chah Milleh Mine, Chah Milleh, Anarak District, Nain, Isfahan Province  Iran (08/2015)

Specimen size: 4.2 × 3.6 × 3.6 cm = 1.65” × 1.42” × 1.42”

Main crystal size: 2.7 × 1 cm = 1.06” × 0.39”