abluegirl: Aurichalcite from Mexico, by Bob Simonoff.  Aurichalcite is a carbonate mineral, usually found as a secondary mineral in copper and zinc deposits. 

abluegirl: Aurichalcite from Mexico, by Bob Simonoff.  Aurichalcite is a carbonate mineral, usually found as a secondary mineral in copper and zinc deposits. 

tags: Ngoc.Ann,

from: https://troioikelley.tumblr.com/post/53348401662