Guide to minerals: Selenite

Jerrod Gallup (USA) I got this selenite crystal at the first Pebble Pups meeting I attended. As a result, I researched this crystal and found lots of interesting facts, in particular, that it was very unique. This particular crystal was found in Oklahoma in 1970. In fact, you can go… … Read More

Collecting fluorescent minerals

Clay Carkin (USA) Compared to the collection of fossils and traditional mineral specimens, the hobby of collecting fluorescent minerals is in its infancy. Even though Sir George Stokes discovered the property of fluorescence in the early 1800s (from the blue glow of fluorite in sunlight), it was not until the… … Read More

Gold panning at Wanlockhead, Scotland

Charlie Smart (Scotland) Today, the villages of Wanlockhead and Leadhills (the highest in Scotland) are probably best known for the centuries of toil that gave them the most productive lead mines in Scotland. However, it was the search for gold during the sixteenth century that revealed the abundance and richness… … Read More

Guide to minerals: Amazonite

Steven Marquez (USA) The specimen displayed is a variety of microcline feldspar, referred to as amazonite. Many jewellers love this mineral for making cabochons because of its brilliant colour, which is thought to be caused by traces of lead and water. The gemstone is called the “Stone of Hope”, because… … Read More

Guide to minerals: Amethyst

Steven Marquez (USA) Amethyst is the violet to purple variety of quartz. It is often associated with albite and orthoclase in pegmatites. Fine specimens of amethyst can be classified as semiprecious gemstones. This specimen was found in Cripple Creek Colorado, as a near surface deposit on the David Leighton gold … Read More

Book review: Introducing Mineralogy, by John Mason

I have been fortunate enough to review for this magazine a large number of books from the Dunedin series of guides introducing aspects of the different sciences, especially the earth sciences. And Introducing Mineralogy continues the high standard set by its predecessors. It is slightly larger than some of the other guides in the series, but is still beautifully illustrated, nicely written and very informative.

Book review: Guides to: The Jurassic Coast; The Lake District; and Cornwall, by Robert Westwood

These three guides by Robert Westwood are in the same simple format. All are local geological guides to specific areas of the UK and all are illustrated by lovely full colour photographs. They all contain simple, introductory geological introductions for the uninitiated, and then more detailed expositions of what makes the regions so special.