A pyroxene with chemical formula of NaAlSi2O6. Jadeite occurs in high-pressure, low temperature metamorphic rocks and is the primary mineral in jade.
See pyroxene group for additional details.
A pyroxene with chemical formula of NaAlSi2O6. Jadeite occurs in high-pressure, low temperature metamorphic rocks and is the primary mineral in jade.
See pyroxene group for additional details.
An obsolete name for altered material, probably vermiculite.
See tobermorite and see calcium silicate hydrate (CSH) in Part 1.