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。

Alstonite

阿尔斯顿石

BaCa(CO3)2

BaCa(CO₃)₂

This sample of alstonite is displayed in the Smithsonian Museum of Natural History. Alstonite is a carbonate of barium and calciumwith the composition BaCa(CO3)2. This sample is about 12 x 12 cm and is from Alston Moor, Cumbria, England.

这块朱砂石样本陈列在史密森尼自然历史博物馆中。朱砂石是一种含钡和钙的碳酸盐，化学式为BaCa(CO3)2。该样本尺寸约为12 x 12厘米，来自英格兰坎布里亚郡的阿尔斯顿 Moor。

Mindat: Alstonite

Mindat: Alstonite（专名或术语）
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