Meteorites are quite rare since most materials in space never come anywhere near the Earth, and of those that do come toward ...

Micrograph showing sheaves of parallel platy olivine crystals making so called "spinifex texture," from a komatiite flow at Wildara, Western Australia. Disclaimer: AAAS and EurekAlert! are not ...

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure ... mica, olivine, and precious minerals such ...