Hydroxyapophyllite, Prehnite - image 1

Hydroxyapophyllite, Prehnite

Kevin Brown
Kevin Brown
Parker, TX
0 for sale·Member since 2026
Hydroxyapophyllite crystals to 13.3 cm on prehnite, from the Fairfax quarry, Centreville, Fairfax County, Virginia. Collected by John Medici in 1967; ex collections of Lawrence H. Conklin, Ed David, and George Loud. Photo by László Kupi.

Product details

Species
PrehniteAbout Prehnite →
SizeCabinet
Dimensions13.3 cm
Added on03/26/2026
Locality
Fairfax quarry, Centreville
Publications
  • Mineralogical Record The Kevin Brown Collection page 82

Known provenance

DateCollectorAcquisition price
—George LoudNot disclosed
—Ed DavidNot disclosed
—Lawrence H. ConklinNot disclosed

Learn more

Prehnite
Mineral guide
Learn about Prehnite
apple- to mint-green crystals and sculptural botryoidal/rosette forms; a calcium aluminum silicate formed in low-temp hydrothermal environments.
Regional guide
Prehnite from Fairfax quarry, Centreville
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