Prehnite finger cast after AnhydriteThis small miniature sized specimen features a stout finger shaped cast of Prehnite replacing Anhydrite which is surrounded by some spherical aggregate of additional Prehnite casts. A medium luster is seen on one side of the specimen, but it has a more muted appearance on the other side. Medium yellow green color and decent gemminess make this a worthwhile representative piece from this famous discovery. The Prospect Park Quarry is arguably the most

A richly colored group of spherical glassy “beads” of Hyalite / “Blood Vessel” Opal from this new find in San Luis Potosi

Even before the world-class Fluorites were discovered at this locality

luster and rarity

but the piece in general is in very good shape

Specimen # BOL711B56

This specimen hosts several good quality Tetrahedrite crystals measuring up to 6 mm with great luster

This piece hosts several white/cream-colored botryoidal aggregates of Anhydrite which are sitting on white Quartz matrix with accenting pink Rhodochrosite and minor sulfides

A lovely miniature specimen of Vanadinite

Virtually no damage of note

This particular piece features a lovely

It truly resembles some kind of plant life

but it’s definitely different than typical pieces from Viloco