- ... 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?