THE MINERAL PHARMACOLITE


Pharmacolite is a rather rare arsenic mineral. It is named from the Greek word for poison in allusion to its arsenic content. Ironically it is the same word that gives us pharmacy. There are a couple of other arsenate minerals that have similar names to pharmacolite, namely pharmacosiderite and picropharmacolite. Despite having similar names and being arsenic mineral they are otherwise unrelated.

Pharmacolite is related to a few minerals that have a similar formula and structure. Of these only gypsum is common.

PHYSICAL CHARACTERISTICS:

 

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