Brookite Amazonite I believe that this could

I believe that this could be a twinned crystal only because I can see what I would call a clear reentrant angle in the middle of the crystal

which gives way into a thin pale blue-green zone

surprisingly lustrous

despite a few “bruises” here and there

Brookite Amazonite I believe that this couldBeautiful, sharp, fine quality, lustrous, gemmy, rich orange red colored Brookite crystals measuring up to 1. 1 cm are aesthetically set atop contrasting host rock matrix. As you can see, the Brookites feature the same classic black "phantoms" that are so desirable in specimens from the European Alps. No damage to the Brookites and it's not very often that one finds such superb eye catching examples of the species in near full size cabinet display