40026 RH1023 Phillipsite, Colac Quarry, Ondit, Colac Otway Shire, Victoria

Lustrous twinned phillipsite (Stemple twin?). The smaller crystals in the image looked like possible pseudohexagonal chabazite under the microscope, but in the photo, it is clear that they too, are phillipsites. Ex Dick Haslam Collection. Width of view 3.5mm. Stack of 40 images.

Click on the image below for a higher resolution one…

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