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prismatic crystals of Vivianite (some are actually doubly terminated
but this color is simply unheard of
metallic Pyrite (pseudomorphs after compressed rhombohedra of Siderite) which are associated with minor grey crystals of the rare sulfide
it is truly only known from a handful of localities in well-crystallized display specimens
if one were to shine a very bright light
Augelite included with Jamesonite(?) Metavauxite prismatic crystals of Vivianite (someThe largest crystal on this specimen is one of the biggest Augelites that I have seen from Bolivia. Its amazingly well formed, sharp, surprisingly lustrous, and DOUBLY TERMINATED! It is associated with a few smaller (but not small by any means) Augelites of similar quality. Interestingly, the crystals are included with an unknown blackish mineral (probably Jamesonite) to create an eye catching two toned effect. This piece was difficult to photograph,
