S17976 – Beryl

When it comes to emerald, there may be no better or more known spot for specimens than Colombia. The clarity here is unbelievable, and it is so bright, so lustrous and so green. The pinacoidal termination is pristine, and this thumbnail is exquisite.
S6430 – Pyrite

You know it is a good thumbnail when pyrite is rarer than emerald from the famous mines of Colombia. This metallic yellow crystal sits plopped right on glowing green beryl, wow.