Smithsonite

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Smithsonite, the New Mexico Mineral Museum’s flagship specimen known as the “C. T. Brown smithsonite no. 793,” 61 cm (75 pounds), from the famous Kelly mine in the Magdalena District of New Mexico. Collected in 1880s or 1890s, it is one of the best of the larger blue-green Kelly pieces to survive. It was acquired by the prominent mining engineer and state senator Cony Thomas Brown (1856–1926), a staunch supporter and benefactor of the School of Mines, and passed to the school with the rest of Brown’s mineral cabinet in 1938. Debra Wilson photo.

Product details

SizeMuseum
Dimensions6100.0 cm
Added on03/26/2026
Publications
  • Mineralogical Record The Kevin Brown Collection page 28

Known provenance

DateCollectorAcquisition price
Cony Thomas BrownNot disclosed

Learn more

Smithsonite
Mineral guide
Learn about Smithsonite
ZnCO3 with botryoidal and crystalline forms, silky to vitreous luster, pastel hues from cobalt to yellow; localities boost collecting appeal.
Smithsonite
Regional guide
Smithsonite from Kelly Mine, New Mexico, USA
from Kelly Mine, New Mexico — blue to blue-green botryoidal forms, translucent luster, and a historic, collector-focused color story.