天气预报15天查询> 其他> 翡翠怎么会带带变黑呢

翡翠怎么会带带变黑呢

更新时间: 2020-11-10 00:00:00     

翡翠变黑是一种正常的现象。汗液浸润,会与翡翠内里的铁离子发生化学反应,生成氧化,使得翡翠变黑。翡翠由晶体所构成,是在地质作用下形成的达到玉级的石质多晶集合体,主要由硬玉或硬玉及钠质(钠铬辉石)、钠钙质辉石(绿辉石)组成,可含有角闪石、长石、铬铁矿、褐铁矿等。

关键词: 翡翠 怎么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-279807/ | 耗时:0.2971 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=279807 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=279807 LIMIT 0,1
select * from tbl_Articles_sphinx where id=279807 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1093611,1081957,1086394,1115885,1066158,1115663,1100215,1096737,1042841,1079922,1104280,1089154,1091376,1077400,1051419,1046328,1112947,1078310,1120878,1067781,1122250,1117990,1055640,1090048,1082339,1043345,1071807,1065251,1095722,1101533) ORDER BY field (ArticleID,1093611,1081957,1086394,1115885,1066158,1115663,1100215,1096737,1042841,1079922,1104280,1089154,1091376,1077400,1051419,1046328,1112947,1078310,1120878,1067781,1122250,1117990,1055640,1090048,1082339,1043345,1071807,1065251,1095722,1101533)