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Emerald- (Beyrl)- composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6...colored green by trace amounts of chromium and sometimes vanadium, hardness of 7.5–8, Crystal system Hexagonal
From Colombia, these are brilliant pink apatites with glassy lustre are stacked in a chain growth. There are some chips on the lower edge and rear is contacted but they are not noticable from the good display angle. A slight color shift can be seen in different light sources. This find was made in 2004 at the La Marina Emerald mine, this is an very fine thumbnail from that discovery.