天气预报15天查询> 其他> 教你怎样鉴别缠丝玛瑙

教你怎样鉴别缠丝玛瑙

更新时间: 2020-08-17 00:00:00     

鉴别方法主要有以下五个方面:

1、花纹和颜色 :真缠丝玛瑙色泽鲜明光亮,假缠丝玛瑙的色和光均差一些。天然缠丝玛瑙颜色分明,条带花纹十分明显;

2、质地 :假缠丝玛瑙多为石料仿制,较真缠丝玛瑙质地软,用玉在假缠丝玛瑙上可划出痕迹,而真品则划不出。从表面看丝玛瑙少有瑕疵,劣质则较多。;

3、透明度 :真缠丝玛瑙稍有混沌,有的可看见自然水线或“云彩”;

4、重量 :真缠丝玛瑙首饰首饰重一些;

5、温度: 真缠丝玛瑙冬暖夏凉。

关键词: 怎样 鉴别 玛瑙

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-194290/ | 耗时:0.7121 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=194290 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=194290 LIMIT 0,1
select * from tbl_Articles_sphinx where id=194290 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1704562,1915094,2765043,491158,2928038,1092201,697929,1931247,995175,1294187,3380852,1613109,1075610,3402203,2815533,2317191,3339167,2537377,299941,1904357,288481,2819468,2814661,2573296,2203345,2311564,1451526,2406184,3007077,2273196) ORDER BY field (ArticleID,1704562,1915094,2765043,491158,2928038,1092201,697929,1931247,995175,1294187,3380852,1613109,1075610,3402203,2815533,2317191,3339167,2537377,299941,1904357,288481,2819468,2814661,2573296,2203345,2311564,1451526,2406184,3007077,2273196)