Filter
Sten, mineral & fossil
Filter
The amphibole group is extremely important, widespread, and beautiful, with a structure that can accommodate a bewildering variety of compositions and potentially hundreds of …
Seeing fluorescent minerals up close for the first time is an exciting experience. The colors are so pure and the glow is so seemingly unnatural, that it is hard to believe they …
An award-winning engaging kids' guide to the official US state fossils. Did you know that Illinois's state fossil is the weird-looking Tully Monster, which had eyes on a pair of …
The mineral Titania is found in large, well-formed crystals at localities around the world. Over 100 color photos display three of the common titanium dioxide minerals: rutile, …
Continuing a tradition that began in 1842, this book examines 24 localities of particular interest to mineral collectors. These localities are organized by how they occur (in …
Mississippian Age crinoids from Crawfordsville, Indiana, are known worldwide for their completeness, abundance, comparatively large size, and extraordinary aesthetic appeal. With …
Among rock-forming minerals, the vesuvianite group is best known through the many colorful crystals collected at the Jeffrey quarry, in Asbestos, Canada. Spectacular finds in China …
The Balmat Mining District in southern St. Lawrence County, New York, is a former mining site known among collectors for its highly prized minerals. For more than 100 years, it was …
The Grenville Province, covering much of upstate New York, southeastern Ontario, and southern Québec, has been the source of many amazing mineral specimens. Its crystalline rocks …
A colorful look at 3.5 billion years of stromatolites, peculiar structures produced by primitive life forms that lived over vast spans of geologic time. At once diverse, …