Epidote
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Epidote is assigned the general formula Ca2FeAl2(Si2O7)(SiO4)(O,OH)2. This sample is from Untersulzbachtal, Salzburg, Austria. This sample is described as epidote with actinolite and fluorapatite. It is about 10 cm across. These samples are on display in the Smithsonian Museum of Natural History. epidote 的通式为 Ca₂FeAl₂(Si₂O₇)(SiO₄)(O,OH)₂。该样本采自奥地利萨尔茨堡的Untersulzbachtal。该样本描述为 epidote、actinolite 和 fluorapatite 的混合物，尺寸约为10厘米。这些样本陈列于史密森尼自然历史博物馆。
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This sample about 20 cm across and is from Green Monster mine, Prince of Wales Island, Alaska . 这个样本宽约20厘米，来自阿拉斯加王子威廉岛的Green Monster矿.
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 This sample is about 8x25 cm and is from Julie claim, Mineral County, Nevada. 这个样本尺寸约为8x25厘米，来自Julie的声明，矿物县，内华达州。
|  The epidote sample is from Tulare County, California. It is about 8x20 cm and appears to be single crystal. 该 epidote 样品来自加利福尼亚州 Tulare 县。尺寸约为 8 厘米乘 20 厘米，看起来是一个单晶体。
|  This sample is from Untersulzbachtal, Salzburg, Austria. It is about 5x10 cm and is described as epidote with quartz. 此样本来自奥地利萨尔茨堡的Untersulzbachtal。其尺寸约为5×10厘米，被描述为含 epidote 和石英。
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The column of epidote at right is 3x15 cm and the gem is 3.9 carats. The samples are from Untersulzbachtal, Salzburg, Austria. 右侧的 epidote 柱尺寸为 3x15 厘米，宝石重 3.9 克拉。这些样品来自奥地利萨尔茨堡的 Untersulzbachtal。
 This epidote sample is 7x8 cm about and is also from Untersulzbachtal, Salzburg, Austria. Mindat: Epidote Mindat: Epidote（专名或术语）
这种 epidote 样品大约是7x8厘米，也来自奥地利萨尔茨堡的Untersulzbachtal。 |
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| Minerals
矿物 |
| HyperPhysics*****Geophysics
HyperPhysics ***** 地球物理学 | R Nave |