Fluorapatite on "Mountain Leather" Adularia red and even purple

red and even purple

rich blue-green colored prismatic Amazonite crystal beautifully flaring off of cream-colored Feldspar matrix

slightly hydrothermally etched

colorless Quartz crystals on matrix

Fluorapatite on "Mountain Leather" Adularia red and even purpleThis 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