| 释义 |
thom·son·ite
\ˈtäm(p)səˌnīt\ noun
(-s)
Etymology: Thomas Thomson died 1852 Scottish chemist + English -ite
: a mineral NaCa2Al5Si5O20.6H2O of the zeolite family consisting of a hydrous silicate of aluminum, calcium, and sodium, occurring generally in masses of a radiated structure or rarely in distinct orthorhombic crystals, and being snow-white when pure (hardness 5-5.5) |