which absorb and reflect light differently depending on the light source

Schist is faliated medium grade metamorphic rock

with dimensions of 31x15x14 mm

This collector's specimen is unique and of great quality

Large crystal of Fluor-Richterite and ivory colored calcite

NWA 2229 Meteorite | 1.8 grams | Part Slice | Rumurutiite R3.8 | Sahara Hackmanite which absorb and reflect lightThis is a superb looking part slice of Sahara Desert NWA 2229 meteorite. It weighs 1. 8 grams and measures 16x16x3 mm. Although still considered unclassified, this meteorite was given the provisional class of R3. 8 Rumurutiite. This is a great specimen with many multicolored chondrules and CAIs. It's a Dean Bessey meteorite but unfortunately many of his finds were never fully submitted for analysis. It is a shame for this particular specimen, as it is