Dims: 1.10x1.02x0.90" (2.81x2.58x2.28cm)
Wt: 0.51oz (14.5g)
Goodsprings, Clark County, Nevada, USA
While this looks like a well formed crystal of orthoclase, it is not. It is a specimen of kaolinite as a pseudomorph after orthoclase. Actually, the base of the specimen has many more of these very white crystals in a greenish-white matrix that also includes bits of pyrite and quartz. It is easy to recognize the kaolinite crystals - they are whiter than anything else in the specimen.