“Pig’s Eggs” are a pseudomorph of fine-grained muscovite (“sericite”) with kaolinite (and minor quartz, biotite, etc.) after orthoclase, found in kaolinised granite such as that found at Goonbarrow.
Kaolinite, Goonbarrow China Clay Pit, Cornwall
“Pig’s Eggs” are a pseudomorph of fine-grained muscovite (“sericite”) with kaolinite (and minor quartz, biotite, etc.) after orthoclase, found in kaolinised granite such as that found at Goonbarrow.
