Prehnite casts after Anhydrite with Calcite

Prehnite casts after Anhydrite with CalciteWonderfully gemmy, spherical light green Prehnite casts after Anhydrite with several, off white color, gemmy scalenohedral Calcite crystals. A few of the Calcites are twinned, and for the most part, the piece is great shape from the standpoint of quality. The Prospect Park Quarry is arguably the most famous mineral producing basalt quarry in New Jersey and, for over a century, has provided collectors with impressive display specimens, including some

Specimen # BOL711B29

the piece has a dual texture effect where some of the globules are perfectly smooth

white and without excellent crystal form

This 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

The main Spinel crystal is completely undamaged and it's NOT repaired

The “Copper Country” of the Upper Peninsula of Michigan is undeniably one the most substantial mineral deposits in the western hemisphere

This mine is probably best known for its amazing pink Rhodochrosite specimens

very lustrous faces

The matrix is a mound of porcelain-esque Albite that can be seen through the beautiful Muscovite formations

A great miniature specimen for anybody who collects pegmatite minerals

This thumbnail specimen is a euhedral

This mineral is not seen in well crystallized specimens from many localities