" When crystals get larger and larger , they become less euhedral , typically " - and more rocklike .

“随着晶体越长越大，它们的自形性会逐渐减弱，一般都是这样”更像是岩石。

Individually , though , the crystals appear anything but haphazard , sporting the sharp , geometric appearance that scientists call euhedral .

尽管相互独立，这些晶体的外观并非毫无规律，它们突变出尖锐的具有几何形的外表，科学家称之为自形。