ANALCIME
NaAlSi₂O₆ ^. H₂O
Point Sal, Santa Barbara County, California

Cavities in the basaltic lavas of the Transverse Ranges of Southern California yield a variety of "trap-rock" minerals. These well-formed analcime crystals are unusually large for the region.

Size: 6.5 cm across

Acquired: 1980 donation, Robert Webb Collection.

Disposition: On display in the California Minerals exhibit.

Catalog Number: 22317