Colourless hexagonal crystals, as well as yellow iron-stained ones. White fibrous thomsonite, and tiny analcime crystals. Ex Peter Hall. Ex Hiromi Yamasaki. Colourless width of view 6mm, and stack of 30 images. Yellow width of...
Blocky colourless crystals with rounded aggregates of thomsonite. Width of view 6mm. Stack of 60 images. Ex Richard Bell. Click on the image for a higher resolution version.
A lot going on with this specimen. Silver thin ilmenite plates formed first and were then coated with phillipsite-Na and chabazite-Na crystals. You can see the ilmenite where there are broken areas. Then later, a...
Aggregate of white thin bladed crystals of thomsonite with thin plates of epidote. The garnet is labelled as grossular but is very dark, and could have a significant andradite component. First photo: Width of view...
An arch comprised of mostly chabazite crystals with a small amount of bladed thomsonite. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
Natrolite prisms growing from the base of bladed thomsonite. At first, I thought that the natrolite terminations were coated in hyalite opal, with that typical blobby look. But when you look down on the terminations,...
White “snowflakes” with grey centres. Ex Dick Dufton. Width of view 8mm. Stack of 60 images. Click on the image below for a higher resolution version.
Silky overgrowths of erionite (labelled as offretite) on levyne crystals. Ex Lesley and Doug Ball Collection. Width of view 11.5mm. Stack of 65 images. Click on the image below for a higher resolution version.
Silky erionite overgrowths clearly showing on broken levyne crystal with grey calcite crystal (the calcite is 6mm tall). Adjacent vugh is lined with thomsonite and has tiny chabazite crystals sprinkled over it. Stack of 80...
Tiny pseudocubic chabazite impaled on natrolite with bladed thomsonite-Ca and a ball of white dolomite. Ex Joan Lamond Collection. Width of view 5mm. Click on the image below for a higher resolution version.
Golden, almost fibrous, calcite on thomsonite. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Bladed balls of thomsonite crystals with natrolite needles sticking out, well-formed phillipsite and phacolitic chabazite (the latter two not in photo). Collected by me. Width of view 3.5mm. Stack of 60 images. Click on the...
The Organ Pipes National Park is enclosed in two Cities: Hume to the north of Jacksons Creek, and Brimbank to the south. It is not known which side of the creek this specimen was collected...
Prismatic colourless apophyllite crystals with pinkish chabazite and colourless bladed thomsonite. The latter fluoresces strong white. Width 18mm. Stack of 180 images. Ex Jo Price Collection.
Ex Bernie Day specimen.
Thomsonite not in Mindat
Ole-Thorstein Ljostad
Ex Joan Lamond 3844, personally collected by Joan in 1992. Complex twinned chabazite.
Grey thomsonite balls, colourless pseudohexagonal chabazite crystals, and white tufts of gonnardite-natrolite.
