Home > Laskowski Ⅹ – April 6 > MS2020 Nontronite
Nontronite
- Pinson-Preble mine
- Golconda
- Humboldt County
- Nevada
- U.S.A.
- 7.4 × 6.1 × 5.0 cm – Small cabinet specimen (under 10 cm)
Nontronite is a hydrous sodium iron aluminosilicate, Berthier (1827) named the species for its occurrence in the Nontron district of France. Nontronite is a widespread clay mineral on Earth, now also known from Mars (Ehlmann et al., 2009).
This is hand sample of yellow-green, friable, dull nontronite. Representative of the species. Is this what a Martian hand sample might look like? From the collection of E.R. Laskowski (1949-2020), a mining engineer who retired to Tucson, Arizona. Personally collected by Laskowski in 1990.
Price: $50
Item code: MS2020
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