TK69S0: A novelty at Tucson 2011. Crystal with a very acute pyramidal polycrystalline termination. The crystal is transparent, bright and a deep sky blue color with slight violet shades. They are floaters with irregular surfaces, having had been formed in channels of dissolution in bigger crystals, now missing.
The specimen has been reviewed, photographed and published as a novelty from Tucson 2011 in the Russian magazine ‘Mineral Observer’ on page 70 in the volume 16, number 2
Ameib Farm 60 (Ameib Farm), Usakos, Karibib District, Erongo Region  Namibia (02-03/2010)

Specimen size: 2.7 × 0.9 × 0.8 cm = 1.06” × 0.35” × 0.31”