Thomsonite from Prospect Park Quarry, Prospect Park, New Jersey, USA - image 1
Photo by Frank A. Imbriacco III

Thomsonite from Prospect Park Quarry, Prospect Park, New Jersey, USA

Tufted thomsonite clusters to 3.7 cm on pectolite.

Product details

SpeciesThomsonitePectolite
SizeSmall Cabinet
Dimensions6.1 x 5.7 x 3.6 cm
Added on07/01/2025
LocalityUSA, New Jersey, Prospect Park Quarry
RepairsNone

Current owner

Frank A. Imbriacco III
Frank A. Imbriacco III
New Jersey
Acquired
Jun 2014

Owner’s note

Acquired from the Kosnar family.

Member since 2025

Previous owners

DateCollectorAcquisition price
—Richard A. KosnarNot disclosed
Acquired from Stephen Pochek; R. Kosnar collection #T687.
—Stephen PochekNot disclosed
Acquired from James Kaufman.
—James KaufmanNot disclosed
Self-collected in 1979.

Learn more

Thomsonite
Mineral guide
Learn about Thomsonite
a calcium-dominant zeolite known for radiant spherical aggregates, acicular needles, and peach to pink colors; favored by zeolite collectors.
Thomsonite
Regional guide
Thomsonite from Prospect Park Quarry
Contribute
Locality guide
Prospect Park Quarry
Prospect Park Quarry, USA — renowned for green prehnite with hollow epimorphs, rich basalt cavities, and a key collector locality in Paterson–Passaic County.