Oligoclase Crystals
Collection
John Betts - Fine Minerals
Description
Lustrous translucent
Oligoclase
crystals up to 30 mm on across on dark
matrix
of small crystals of
Pyrite
and
Sphalerite
.
Locality
San Luis Potosi, Mexico
Dimensions
7 x 4.5 x 3 cm.
Photograph
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