单词 | thomsonite |
释义 | thomsonitenoun thom·son·ite ˈtäm(p)səˌnīt plural -s : 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) |
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