Zoisite
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Zoisite is a silicate of calcium and aluminum with the composition Ca2Al3(Si3O7)(SiO4)(O,OH)2 . The sample above is about 11 cm wide with the crystal having dimension about 5x2 cm. It is from Arusha, Tanzania. These samples are identified as the variety tanzanite and are on display at the Smithsonian Museum of Natural History. zoite 是一种钙和铝的硅酸盐，化学式为 Ca₂Al₃(Si₃O₇)(SiO₄)(O,OH)₂。上面的样品宽约 11 厘米，晶体尺寸约为 5×2 厘米。它来自坦桑尼亚的阿鲁沙。这些样品被鉴定为坦桑石品种，并陈列在史密森尼国家自然历史博物馆中。 |
 The gem above is 122.7 carats and is from Tanzania. The mineral sample at right is about 2x5 cm and is from Arusha, Tanzania. 上面的宝石重122.7克拉，来自坦桑尼亚。右侧的矿物样品尺寸约为2x5厘米，也来自坦桑尼亚的阿鲁沙。
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 |  |  The zoisite sample at far left is about 3x6 cm and is from Arusha, Tanzania. The slender sample in the center is zoisite with quartz and muscovite. It is about 15 cm long and is from Hashupa, Shigar Valley, Northern Areas, Pakistan. 最左边的 zoisite 样本大约是 3x6 厘米，来自坦桑尼亚的 Arusha。中间的细长样本是 zoisite 与石英和云母的组合，长约 15 厘米，来自巴基斯坦北方地区 Shigar 河谷的 Hashupa。 The zoisite sample above is about 14x10 cm and is from Spruce Pine, North Carolina. 上面的 zoisite 样品尺寸约为 14 厘米，来自北卡罗来纳州的 Spruce Pine。 |
Mindat: Zoisite
| Minerals
矿物 |
| HyperPhysics*****Geophysics
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