Fluorapatite on "Mountain Leather" Adularia spherical light green Prehnite casts

spherical light green Prehnite casts after Anhydrite with several

jet-black to golden / “root beer” colored crystal group with an unusual crystallization for the locality

red and even purple

slightly hydrothermally etched

Fluorapatite on "Mountain Leather" Adularia spherical light green Prehnite castsThis piece comes to us from the Kay Robertson collection (#8407) and the label states that it's from the Untere Riffelmorne (Lower Riffel Moraine) in the Stubachtal (Stubach Valley) of Salzburg. I've seen specimens from the Riffel Glacier, but I don't know if I've seen a piece labeled as coming from the actual moraine of the glacier prior to this piece. A sharp, lustrous, translucent, medium yellow color hexagonal crystal of Fluorapatite measuring 8