Bilingual edition: English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable.
中英双语版：英文原文完整保留，中文紧随对应单元；术语采用 v20260916 确认表，自动语义审校结果可追溯。

Howlite

如何lite

Ca2B5SiO9(OH)5

Ca₂B₅SiO₉(OH)₅

This sample of howlite is displayed in the Smithsonian Museum of Natural History. Howlite is a silicate mineral of boron and calcium with the composition Ca2B5SiO9(OH)5. Mindat also classifies it as a borite or a borosilicate. The samples at left are each about 10 cm across and are from Tick Canyon, California.

这种如何利石样品陈列在史密森尼自然历史博物馆中。如何利石是一种含硼和钙的硅酸盐矿物，其化学式为Ca₂B₅SiO₉(OH)₅。Mindat也将其归类为硼石或硼硅酸盐。左侧的样品直径约为10厘米，均来自加利福尼亚州Tick Canyon。

Mindat: Howlite

Mindat: Howlite（专名或术语）
Minerals
矿物
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