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First up, is prehnite. It's usually a translucent, green to yellow, silicate mineral that includes calcium and aluminum. This specimen formed a group of stalactites.
Second, is epidote, a silicate mineral also made of calcium and aluminum. In this specimen, the usually green epidote is nearly black, due the amount of iron it contains.
Third, we have stilbite, which is another silicate made up of (can you guess) calcium and aluminum... and sodium. This is usually a white to cream colored mineral, and, in this case, for some reason, looks a lot like puffed rice cereal.
Measures 115x90x50mm and 539g.