Thomsonite on pectolite, USA, Prospect Park, Prospect Park Quarry

Tufted thomsonite clusters to 3.7 cm on pectolite.

Product details

SizeSmall Cabinet
Dimensions6.1 x 5.7 x 3.6 cm
Added on07/01/2025
RepairsNone
Current owner
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.

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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
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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.