MF99AF1: Very aerial aggregate of flattened crystals with a very well defined twin. Their white color contrasts with the brown of the oxide inclusions. The sample is from a classic French locality and has great quality.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2017, page 84
Chaillac Mine, Chaillac, Le Blanc, Indre, Centre-Val de Loire  France (± 1980)

Specimen size: 6.4 × 5.6 × 2.2 cm = 2.52” × 2.20” × 0.87”

Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”