GR27AM2: Elongated Diopside crystals, one of them very aerial and clearly dominant. Lustrous, with very dark tones, on matrix with Calcite crystals and pinkish Fluorapatite crystals.
The specimen comes from the Pedro Goy collection, whose very detailed catalogue entry we will send to the buyer.
Yates Mine, Otter Lake, Pontiac RCM, Outaouais, Québec  Canada

Specimen size: 7 × 6 × 3.6 cm = 2.76” × 2.36” × 1.42”

Main crystal size: 2.2 × 1.5 cm = 0.87” × 0.59”