2186 Goethite, Quartz (Amethyst), Blue Hills, Agate Creek, Queensland August 27, 2023 Steve Australasia Australia Queensland Golden brown acicular crystals of goethite on amethyst. Width of specimen 13mm. Stack of 150mm. Click on the image below for a higher resolution version.
Nevada North and Central Americas United States 3521 Quartz (smoky/amethyst), Krystal Tips Mine (Hallelujah Junction), Peterson Mountain, Nevada, USA October 3, 2019
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Australasia Australia Victoria ncat JP3186 Bismuth, Goethite, Plumbogummite, Wolfram Mine, Pittong, Golden Plains Shire, Victoria September 23, 2019