Measuring over 3 inches across and weighing almost 13 ounces, the semi-translucent stone was valued at $680. Highlights: Enstatite is a fairly common silicate mineral ranging in color from clear ...

This is a reflected light image of a metal-sulphide clast in the enstatite chondrite ALH 77295. The central portion of the clast is a mineral called djerfisherite, an important host for chlorine ...