Portal:Minerals/Did you know/11

... that when first noted, arsenoclasite appeared very similar to sarkinite (pictured), but with one perfect cleavage?
... that caryopilite was named for the Greek words for walnut and felt?
... that the mineral bobfergusonite has been found only in Canada and Argentina?
... that while the mineral magnesiopascoite was discovered in Utah, the two cotype specimens are in a museum in California?