Home > Laskowski Ⅹ – April 6 > MS2026 Lemanskiite
Lemanskiite
- El Guanaco mine
- Atacama Region
- Chile
- 2.5 × 1.7 × 0.9 cm – Thumbnail specimen (fits into a 2.5 cm cube)
Lemanskiite is a hydrous sodium calcium copper arsenate, and a member of the lavendulan group. Zubkova et al. (2017) found less water than in lavendulan and also monoclinic (pseudo-tetragonal) symmetry. Lemanskiite is thus a lower hydrate of lavendulan.
Lemanskiite here forms a 5 mm aggregate of blue plates to 0.8 mm. Also present are well-formed green lammerite crystals to 0.8 mm on the quartz matrix. From the collection of E.R. Laskowski (1949-2020), a mining engineer who retired to Tucson, Arizona.
Price: $75
Item code: MS2026
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