Latest Crystal Cave Stories
KINGS CANYON NATIONAL PARK, Calif. -- Spiders, centipedes and scorpion-like critters are among the 27 new animal species that biologists have discovered in the dark, damp caves of two Central California national parks, officials announced Tuesday. The finds were made during a three-year study of 30 caves in Sequoia and Kings Canyon national parks. Many of the creatures live only in caves - and some only in one particular cave of Sequoia and Kings Canyon, according to the study, conducted by...
Celestite (SrSO4) is a mineral consisting of strontium sulfate. The mineral is also known as celestine and is named for its occasional delicate blue color. Celestite occurs as crystals, and also in compact massive and fibrous forms. It is mostly found in sedimentary rocks, often associated with the minerals gypsum, anhydrite, and halite. The mineral is found worldwide, usually in small quantities. Pale blue crystal specimens are found in Madagascar.
- The ragged surface of a lava-flow.