prehnite 的定义
- a mineral, hydrous calcium aluminum silicate, Ca2Al2Si3O102, occurring in light-green reniform aggregates or tabular crystals.
更多prehnite例句
- Also, in detached fragments, on the south shore of Lake Superior, intimately mixed with prehnite.
- Prehnite, pren′īt, n. a hydrous silicate of alumina and lime, usually of a pale-green colour.