Some of the most exquisite pieces have been known ... The post This Is the Rarest Crystal on Earth with Only 50 Known Samples ...

Appealing to collectors of Earth's ancient treasures, Heritage Auctions is selling rare meteorites, fossils, and gemstones.

The most common rare-earth magnet alloy ... Again, it’s partly to do with the crystal structure, and partly to do with the electronic structure of the elements in the alloy.

Rare Earth Gallery has what you want. The north Valley shop carries a truly impressive assortment of rocks and crystals, from a palm-sized heart-shaped quartz to epic amethyst slabs that cost ...

Crystals are thought to carry unique vibrations, depending on how they form within the Earth. Governed by red-hot Mars and enigmatic Pluto, Scorpios are known for their magnetic presence ...

The fund is down 8.8% year to date as of Aug. 18. The most popular rare-earth fund is the VanEck Rare Earth/Strategic Metals ETF (REMX), which has an expense ratio of 0.54%, has been around since ...

It couldn’t be, could it? The Przewalski’s — most commonly pronounced che-VAL-ski’s — is so rare that the horse, native to Mongolia, was once extinct in the wild. Its scant bloodlines ...

The rare earth elements emit photons, or particles of light, which are absorbed by nearby "quantum defects" — vacancies in the crystal lattice containing ... storage method than other optical ...

The new edition of this landmark volume takes into account the vast amount of new spectral data on minerals, and describes a variety of applications of crystal field theory to the earth and planetary ...

We chose the 606-passenger Crystal Symphony based on the itinerary (and dates) that most appealed to us ... culinary program is second to none. It's rare that I truly enjoy a ship's main dining ...