释义 |
tychite \ˈtīˌkīt, ˈtiˌk-\ noun (-s) Etymology: Greek tychē + English -ite; from its chance discovery among other crystals : a rare mineral Na6Mg2(SO4)(CO3)4 that is an octahedral sulfate and carbonate of sodium and magnesium (hardness 3.5-4, specific gravity 2.59) |