最近30从www.hoelymoley.com 2023 - 04 - 03 - t10:38:06z //www.hoelymoley.com/feeds/question/18582 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/18582 5 uhoh //www.hoelymoley.com/users/6031 2019 - 11 - 27 - t00:36:25z 2020 - 02 - 24 t03:51:18z

< p >如果我理解< a href = " //www.hoelymoley.com/a/18581/6031 " >这个答案< / >和< a href = " //www.hoelymoley.com/questions/18549/can-i-just-walk-around-greenland-with-a-uv-light-and-find-rare-earth-minerals-on/18581?noredirect = 1 # comment40159_18581”这个评论> < / >正确,矿物方解石、萤石、和磷灰石是“通常与稀土元素(稀土元素)有关存款”,就像一些里斯也暴露于紫外线时发出荧光。但这些矿物质的固有荧光性质不是由里斯引起的。< / p > < p >这是一个令人愉快的巧合;一个荧光矿物的存在往往是与另一个荧光矿物的存在尽管他们荧光机制是不同的吗?< / p > < p >还是矿物方解石、萤石、和磷灰石往往发出荧光< em > < / em >因为它们含有稀土元素,因此观察的荧光的直接指标里斯的存在吗?还是里斯只有< em > < / em >修改颜色的荧光,但不一定导致吗? < / p >

//www.hoelymoley.com/questions/18582/-/19293 # 19293 2 Gimelist //www.hoelymoley.com/users/725 2020 - 02 - 24 t03:51:18z 2020 - 02 - 24 t03:51:18z

< p >你问题的答案可能是第二个:< / p > < blockquote > < p >还是里斯只有< em > < / em >修改颜色的荧光,但不一定是原因吗?< / p > < /引用> < p >我就给磷灰石的一个例子。这里有一个阴极发光(由电子发光兴奋)能谱的天然磷灰石。< a href = " https://doi.org/10.3749/canmin.1800021 " rel = " nofollow noreferrer " > < / >来源。< / p > < p > < a href = " https://i.stack.imgur.com/PYzYK.png " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/PYzYK.png " alt = "在这里输入图像描述" > < / > < / p > < p >你可以看到不同的稀土引发发光,但还有锰。从花岗岩通常有大量的锰磷灰石,很少的稀土。所以他们的发光是由2.1 eV范围,这将是< a href = " https://www.wolframalpha.com/input/?i=2.1%20eV%20to%20photon%20wavelength " rel = " nofollow noreferrer " > < / >。相比之下,磷灰石的REE存款将由Ce,给< a href = " https://www.wolframalpha.com/input/?i=3.0%20eV%20to%20photon%20wavelength " rel = " nofollow noreferrer " >蓝紫色相比< / >颜色。他们也有很多Nd,但这并不能帮助我们,因为它的红外线范围。< / p >

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