TBA67AQ1: Very sharp Wollastonite crystal with very well defined parallel growths and polycrystalline terminations, somewhat greenish gray, and translucent.
The size and definition of the crystal forms are excellent for a species which is usually not very attractive. With minor Calcite in the holes of the faces.
This piece has been reviewed, photographed, and published as a reference specimen in Ste. Marie 2023 by the Russian magazine ‘Mineral Observer’ on page 52 in the volume 28/2023, number 3
  Madagascar

Specimen size: 12 × 3.3 × 2 cm = 4.72” × 1.30” × 0.79”