Gypsum
El Oued, El Oued District, El Oued Province, Algeria
12.4 x 11.2 x 10.7 cm
An excellent, large, sharp, well-preserved, "flower"-like formation of compressed tabular crystals containing tan colored sand particles. I acquired this piece directly from the man who mined it in Algeria, which is why I have a bit more specific locality than "Sahara Desert" like we're used to seeing with these specimens. ...
© Brian Kosnar - Mineral Classics