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Jarosite brown druse on stone Thumbnail Mineral Specimen in Perky Box


Regular price $18.00

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Secondary mineral which forms by weathering in arid climates. A humble potassium, iron sulfate made famous when discovered on Mars where it is thought to indicate an acidic aqueous conditions within a volcanic system in Noctis Labyrinthus. Mined by the intrepid David Shannon at the Arizona Apex Mine, Dripping Springs Mountains, Gila County, Arizona, USA.

Dimensions (millimeters): 25 x 15 x 5

Dimensions (inches): 1 x .6 x .2

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