Hydroxyapophyllite, Prehnite
2
Parker, TX
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
SizeCabinet
Dimensions13.3 cm
Added on03/26/2026
Locality
Publications
- Mineralogical Record The Kevin Brown Collection page 82
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| — | George Loud | Not disclosed |
| — | Ed David | Not disclosed |
| — | Lawrence H. Conklin | Not disclosed |
Learn more
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
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