Wikipedia & geologists mistake fossilized muscles for mineral plagioclase
Wikipedia article
http://en.wikipedia.org/wiki/Plagioclase
use the following micrograph
Edit [Moderator]: Link removed
to represent mineral plagioclase.
In fact, the above micrograph shows fossilized muscle remains instead of plagioclase.Meteorite researchers often confuse muscle remains with plagioclase. For example, the following figures show muscle remains in meteorites, rather than plagioclase in “lunar” meteorites:
Fig.1:
Edit [Moderator]: Link removed
Fig.2:
Edit [Moderator]: Link removed
Fig.3:
Edit [Moderator]: Link removed
Fig.4:
Edit [Moderator]: Link removed