Thomsonite - image 1
Thomsonite - image 2
specimen video

Thomsonite

Unknown Owner
Neat locality example with colorless crystallized thomsonite across the front of matrix. Collected by Chuck Trantham in 1982. In good condition.

Product details

Species
ThomsoniteAbout Thomsonite →
SizeSmall Cabinet
Dimensions6.7 x 3.9 x 2.1 cm
Added on09/12/2025
Locality
USA, California, Benitoite Gem Mine; Dallas Gem Mine area, San Benito River, New Idria District, Diablo Range, San Benito Co., California

Known provenance

DateCollectorAcquisition price
09/2025Unknown Owner$45.00
—Weinrich MineralsNot disclosed

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.
Regional guide
Thomsonite from Benitoite Gem Mine; Dallas Gem Mine area, San Benito River, New Idria District, Diablo Range, San Benito Co., California
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