Join date: Sep 3, 2020
Aug 7, 2016 ∙ 1 min
Quartz Crystals on Calcite - San Antonio Mine, Chihuahua, Mexico
Small delicate crystal florets of yellow fluorescing quartz needles are peppered around a matrix of calcite on this striking specimen. ...
Aug 6, 2016 ∙ 1 min
The Rodney Dangerfields of Fluorescent Minerals - They Don't Get No Respect
Not many collectors seek out chalcedony. Similarly, when they hear caliche [a zone of calcium carbonate or other carbonates in soils of...